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Critical Fiscal Position Assignation Issue (only Germany) - 16.0 17.0 18.0

Hello,

approx. 7 days ago we have detected a critical issue regarding the fiscal position assignation for setups with installed german localisation (l10n_de). Obviously all databases created / last updated approx. 20th October are affected.

At first we thought version 18.0 is not affected but that was wrong.

Here is the video with a manual fix of the fiscal positions:

At Odoo SA we have a open bug report but no response so far:

Issue Type: Critical Bug

Module: Accounting / German Localization

Odoo Versions: [16.0, 17.0]

Also affected is [18.0]

Impacted Environment:

* Both
* Not affected is 17.04., 18.0


Summary:

The fiscal position is being incorrectly assigned to partners in the German localization (German B2B partners with Vat-ID assigned). This leads to incorrect tax calculations and potential legal compliance issues for users relying on automated fiscal position determination.


Steps to Reproduce:

1. Configure the German localization module.
2. Create a new partner with an address located in Germany.
3. Assign a VAT ID to the partner.
4. Create a sales order or invoice for the partner.
5. Observe the fiscal position that gets assigned automatically (wrong).

Expected Behavior:

* The fiscal position should be assigned based on the VAT ID, address, and configured fiscal rules.
* The correct tax rates and exemptions should be applied in accordance with German tax regulations.


Observed Behavior:

* The fiscal position is either not assigned correctly or does not reflect the expected tax rules.
* Especially B2B partners receive an incorrect fiscal position, leading to incorrect tax calculations.
* This can result in non-compliance with German tax regulations and incorrect tax reporting.


Impact:

* Financial discrepancies due to incorrect tax application.
* Compliance risks with German tax authorities.
* Increased manual corrections required by users.

Suggested Fix:

* Review and correct the fiscal position assignment logic in the German localization module.
* Ensure that VAT IDs and partner addresses are properly considered when determining fiscal positions.
* Implement additional validation checks to avoid incorrect fiscal position assignments.
* I have proposed a quick fix solution in my video.

Video:


https://drive.google.com/file/d/1NY32FeGzALr8e-IpN9ojKlQGwe38ksAy/view


Priority: 

Critical

Additional Notes:


* This issue was observed in trainings for our customers.
* All customers running on v16, v17, v18 in Odoo are effected (except they assign fixed fiscal positions to partners, which happens in some rare cases).
* Affected users have reported increased manual workload due to incorrect assignments.
* Maybe they have created wrong account moves. Due to audit_trail we cannot fix that easily.
* We have to investigate this now on all customer databases (german companies).
* We strongly recommend you to warn other german customers working on a v16, v17, v18 version.


Thorsten Vocks

openBIG.org
Dipl. Kaufmann (FH)
Porscheweg 4-6
49661 Cloppenburg

Phone: +49 4471 8409000
Fax: +49 4471 84090009
Mail: thorsten.vocks@openbig.org

              
by Thorsten Vocks - 01:45 - 21 Feb 2025

Follow-Ups

  • Re: Critical Fiscal Position Assignation Issue (only Germany) - 16.0 17.0 18.0
    Hello, 
            


    Am Mo., 24. Feb. 2025 um 17:22 Uhr schrieb Christian Zöllner <notifications@odoo-community.org>:
    Hi Thorsten,

    I don't think anything has changed in the search logic for the fiscal positions in regard of the found problem. But the fiscal position “Business partner EU (with VAT ID)” was only changed to “auto apply” about 1 year ago. This should not have affected running systems, as an update of the accounting app has no effect on the fiscal positions, as these are set to “no update”.

    I have investigated the change and i am OK with that change, however it should not affect the logic who a fiscal position is assigned to a german partner.
    As the sequence of the rule is higher as the    “Business partner EU (with VAT ID)” rule Odoo should assign in any case (VAT ID / No VatID in combination with country germany) to "Domestic partner" / "Geschäftspartner Inland".
    That's who it was done in the past.


     


    I would prefer to create another fiscal position “Domestic business partner (with VAT ID)” rather than changing the country group “European Union”, because the latter may be used in other processes in Odoo and Germany should therefore remain included.

    If you check the video you have seen that i duplicated the country group, however i would be fine with a duplication of “Business partner EU (with VAT ID)” leading to:
    “Business partner EU (with VAT ID)”
    “Business partner EU (without VAT ID)”

    both before 
    “Business partner EU (with VAT ID)”


     

    Thank you for sharing all those informations in this mailing list.



    Yesterday i have received answer from Odoo support.
    They will investigate it, so no final answer yet.

    Best regards
    Thorsten
     

    Best Regards
    Christian
    Intero Technologies GmbH

    Von: "Thorsten Vocks" <notifications@odoo-community.org>
    An: "Odoo Community Association, (OCA) Contributors" <contributors@odoo-community.org>
    Gesendet: Freitag, 21. Februar 2025 17:38:15
    Betreff: Re: Critical Fiscal Position Assignation Issue (only Germany) - 16.0 17.0 18.0

    Hallo Frederik,

    This revert

    https://github.com/odoo/odoo/commit/af3a24c010d3e7158c1324f36a1529c510d886a6

    and this original commit

    https://github.com/odoo/odoo/commit/bcaf8cb859dc2f7e975d180ba0fc49da20204557

    introduced and reverted the problematic code if i am not mistaken. I didn't review the code duely, but afais that the problematic code should only be in databases / data that have been created between

    24th of September 2024 and 25th of October 2024

    That means customers with versions of Odoo 16, 17 and 18 that either updated their code in that time frame or installed new databases should be affected. Others hopefully not!



    Unfortunately not.
    I could recapture that today on Odoo runbot v18.
    Last week on v16, v17 (current runbot versions).
    And all my other testing was also databases on odoo runbot.

    I guess the revert didn't fix the introduced problem.
    Honestly i am not 100% sure which exact commit introduced 
    the issue.

     
    Best regards
    Thorsten


    Best and thanks for circulating this

    Frederik

    Am 21.02.25 um 13:47 schrieb Thorsten Vocks:
    Hello,

    approx. 7 days ago we have detected a critical issue regarding the fiscal position assignation for setups with installed german localisation (l10n_de). Obviously all databases created / last updated approx. 20th October are affected.

    At first we thought version 18.0 is not affected but that was wrong.

    Here is the video with a manual fix of the fiscal positions:

    At Odoo SA we have a open bug report but no response so far:

    Issue Type: Critical Bug

    Module: Accounting / German Localization

    Odoo Versions: [16.0, 17.0]

    Also affected is [18.0]

    Impacted Environment:

    * Both
    * Not affected is 17.04., 18.0


    Summary:

    The fiscal position is being incorrectly assigned to partners in the German localization (German B2B partners with Vat-ID assigned). This leads to incorrect tax calculations and potential legal compliance issues for users relying on automated fiscal position determination.


    Steps to Reproduce:

    1. Configure the German localization module.
    2. Create a new partner with an address located in Germany.
    3. Assign a VAT ID to the partner.
    4. Create a sales order or invoice for the partner.
    5. Observe the fiscal position that gets assigned automatically (wrong).

    Expected Behavior:

    * The fiscal position should be assigned based on the VAT ID, address, and configured fiscal rules.
    * The correct tax rates and exemptions should be applied in accordance with German tax regulations.


    Observed Behavior:

    * The fiscal position is either not assigned correctly or does not reflect the expected tax rules.
    * Especially B2B partners receive an incorrect fiscal position, leading to incorrect tax calculations.
    * This can result in non-compliance with German tax regulations and incorrect tax reporting.


    Impact:

    * Financial discrepancies due to incorrect tax application.
    * Compliance risks with German tax authorities.
    * Increased manual corrections required by users.

    Suggested Fix:

    * Review and correct the fiscal position assignment logic in the German localization module.
    * Ensure that VAT IDs and partner addresses are properly considered when determining fiscal positions.
    * Implement additional validation checks to avoid incorrect fiscal position assignments.
    * I have proposed a quick fix solution in my video.

    Video:


    https://drive.google.com/file/d/1NY32FeGzALr8e-IpN9ojKlQGwe38ksAy/view


    Priority: 

    Critical

    Additional Notes:


    * This issue was observed in trainings for our customers.
    * All customers running on v16, v17, v18 in Odoo are effected (except they assign fixed fiscal positions to partners, which happens in some rare cases).
    * Affected users have reported increased manual workload due to incorrect assignments.
    * Maybe they have created wrong account moves. Due to audit_trail we cannot fix that easily.
    * We have to investigate this now on all customer databases (german companies).
    * We strongly recommend you to warn other german customers working on a v16, v17, v18 version.


    Thorsten Vocks

    openBIG.org
    Dipl. Kaufmann (FH)
    Porscheweg 4-6
    49661 Cloppenburg

    Phone: +49 4471 8409000
    Fax: +49 4471 84090009
    Mail: thorsten.vocks@openbig.org

                  

    _______________________________________________
    Mailing-List: https://odoo-community.org/groups/contributors-15
    Post to: mailto:contributors@odoo-community.org
    Unsubscribe: https://odoo-community.org/groups?unsubscribe

    -- 
Dr.-Ing. Frederik Kramer
Geschäftsführer

initOS GmbH
Innungsstraße 7
21244 Buchholz i.d.N.

Tel:   +49 (0) 4181 13503 12
Fax:   +49 (0) 4181 13503 10
Mobil: +49 (0) 179 3901819

Email: frederik.kramer@initos.com
Internet: www.initos.com

Geschäftsführung:
Dr.-Ing. Frederik Kramer & Dipl.-Ing. (FH) Torsten Francke

Sitz der Gesellschaft: Buchholz i.d.N.
Amtsgericht Tostedt, HRB 205226
USt-IdNr.: DE815580155
Steuer-Nr: 15/200/53247

    _______________________________________________
    Mailing-List: https://odoo-community.org/groups/contributors-15
    Post to: mailto:contributors@odoo-community.org
    Unsubscribe: https://odoo-community.org/groups?unsubscribe

    _______________________________________________
    Mailing-List: https://odoo-community.org/groups/contributors-15
    Post to: mailto:contributors@odoo-community.org
    Unsubscribe: https://odoo-community.org/groups?unsubscribe


    _______________________________________________
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    Post to: mailto:contributors@odoo-community.org
    Unsubscribe: https://odoo-community.org/groups?unsubscribe

    by Thorsten Vocks - 01:07 - 25 Feb 2025
  • Re: Critical Fiscal Position Assignation Issue (only Germany) - 16.0 17.0 18.0
    Hi Thorsten,

    I don't think anything has changed in the search logic for the fiscal positions in regard of the found problem. But the fiscal position “Business partner EU (with VAT ID)” was only changed to “auto apply” about 1 year ago. This should not have affected running systems, as an update of the accounting app has no effect on the fiscal positions, as these are set to “no update”.


    I would prefer to create another fiscal position “Domestic business partner (with VAT ID)” rather than changing the country group “European Union”, because the latter may be used in other processes in Odoo and Germany should therefore remain included.

    Thank you for sharing all those informations in this mailing list.

    Best Regards
    Christian
    Intero Technologies GmbH

    Von: "Thorsten Vocks" <notifications@odoo-community.org>
    An: "Odoo Community Association, (OCA) Contributors" <contributors@odoo-community.org>
    Gesendet: Freitag, 21. Februar 2025 17:38:15
    Betreff: Re: Critical Fiscal Position Assignation Issue (only Germany) - 16.0 17.0 18.0

    Hallo Frederik,

    This revert

    https://github.com/odoo/odoo/commit/af3a24c010d3e7158c1324f36a1529c510d886a6

    and this original commit

    https://github.com/odoo/odoo/commit/bcaf8cb859dc2f7e975d180ba0fc49da20204557

    introduced and reverted the problematic code if i am not mistaken. I didn't review the code duely, but afais that the problematic code should only be in databases / data that have been created between

    24th of September 2024 and 25th of October 2024

    That means customers with versions of Odoo 16, 17 and 18 that either updated their code in that time frame or installed new databases should be affected. Others hopefully not!



    Unfortunately not.
    I could recapture that today on Odoo runbot v18.
    Last week on v16, v17 (current runbot versions).
    And all my other testing was also databases on odoo runbot.

    I guess the revert didn't fix the introduced problem.
    Honestly i am not 100% sure which exact commit introduced 
    the issue.

     
    Best regards
    Thorsten


    Best and thanks for circulating this

    Frederik

    Am 21.02.25 um 13:47 schrieb Thorsten Vocks:
    Hello,

    approx. 7 days ago we have detected a critical issue regarding the fiscal position assignation for setups with installed german localisation (l10n_de). Obviously all databases created / last updated approx. 20th October are affected.

    At first we thought version 18.0 is not affected but that was wrong.

    Here is the video with a manual fix of the fiscal positions:

    At Odoo SA we have a open bug report but no response so far:

    Issue Type: Critical Bug

    Module: Accounting / German Localization

    Odoo Versions: [16.0, 17.0]

    Also affected is [18.0]

    Impacted Environment:

    * Both
    * Not affected is 17.04., 18.0


    Summary:

    The fiscal position is being incorrectly assigned to partners in the German localization (German B2B partners with Vat-ID assigned). This leads to incorrect tax calculations and potential legal compliance issues for users relying on automated fiscal position determination.


    Steps to Reproduce:

    1. Configure the German localization module.
    2. Create a new partner with an address located in Germany.
    3. Assign a VAT ID to the partner.
    4. Create a sales order or invoice for the partner.
    5. Observe the fiscal position that gets assigned automatically (wrong).

    Expected Behavior:

    * The fiscal position should be assigned based on the VAT ID, address, and configured fiscal rules.
    * The correct tax rates and exemptions should be applied in accordance with German tax regulations.


    Observed Behavior:

    * The fiscal position is either not assigned correctly or does not reflect the expected tax rules.
    * Especially B2B partners receive an incorrect fiscal position, leading to incorrect tax calculations.
    * This can result in non-compliance with German tax regulations and incorrect tax reporting.


    Impact:

    * Financial discrepancies due to incorrect tax application.
    * Compliance risks with German tax authorities.
    * Increased manual corrections required by users.

    Suggested Fix:

    * Review and correct the fiscal position assignment logic in the German localization module.
    * Ensure that VAT IDs and partner addresses are properly considered when determining fiscal positions.
    * Implement additional validation checks to avoid incorrect fiscal position assignments.
    * I have proposed a quick fix solution in my video.

    Video:


    https://drive.google.com/file/d/1NY32FeGzALr8e-IpN9ojKlQGwe38ksAy/view


    Priority: 

    Critical

    Additional Notes:


    * This issue was observed in trainings for our customers.
    * All customers running on v16, v17, v18 in Odoo are effected (except they assign fixed fiscal positions to partners, which happens in some rare cases).
    * Affected users have reported increased manual workload due to incorrect assignments.
    * Maybe they have created wrong account moves. Due to audit_trail we cannot fix that easily.
    * We have to investigate this now on all customer databases (german companies).
    * We strongly recommend you to warn other german customers working on a v16, v17, v18 version.


    Thorsten Vocks

    openBIG.org
    Dipl. Kaufmann (FH)
    Porscheweg 4-6
    49661 Cloppenburg

    Phone: +49 4471 8409000
    Fax: +49 4471 84090009
    Mail: thorsten.vocks@openbig.org

                  

    _______________________________________________
    Mailing-List: https://odoo-community.org/groups/contributors-15
    Post to: mailto:contributors@odoo-community.org
    Unsubscribe: https://odoo-community.org/groups?unsubscribe

    -- 
Dr.-Ing. Frederik Kramer
Geschäftsführer

initOS GmbH
Innungsstraße 7
21244 Buchholz i.d.N.

Tel:   +49 (0) 4181 13503 12
Fax:   +49 (0) 4181 13503 10
Mobil: +49 (0) 179 3901819

Email: frederik.kramer@initos.com
Internet: www.initos.com

Geschäftsführung:
Dr.-Ing. Frederik Kramer & Dipl.-Ing. (FH) Torsten Francke

Sitz der Gesellschaft: Buchholz i.d.N.
Amtsgericht Tostedt, HRB 205226
USt-IdNr.: DE815580155
Steuer-Nr: 15/200/53247

    _______________________________________________
    Mailing-List: https://odoo-community.org/groups/contributors-15
    Post to: mailto:contributors@odoo-community.org
    Unsubscribe: https://odoo-community.org/groups?unsubscribe

    _______________________________________________
    Mailing-List: https://odoo-community.org/groups/contributors-15
    Post to: mailto:contributors@odoo-community.org
    Unsubscribe: https://odoo-community.org/groups?unsubscribe


    by Christian Zöllner - 05:21 - 24 Feb 2025
  • Re: Critical Fiscal Position Assignation Issue (only Germany) - 16.0 17.0 18.0 
    Hi,

thx for putting that much work into analysis and sharing your findings.

Do we have a proper link to the upstream issue?

cheers,
Peter

On 21.02.25 13:47, Thorsten Vocks wrote:

> Hello,

> 

> approx. 7 days ago we have detected a critical issue regarding the 

> fiscal position assignation for setups with installed german 

> localisation (*l10n_de*). Obviously all databases created / last updated 

> approx. 20th October are affected.

> 

> *At first we thought version 18.0 is not affected but that was wrong.*

> 

> Here is the video with a manual fix of the fiscal positions:

> 

> https://drive.google.com/file/d/1NY32FeGzALr8e-IpN9ojKlQGwe38ksAy/view 

> <https://drive.google.com/file/d/1NY32FeGzALr8e-IpN9ojKlQGwe38ksAy/view>

> 

> *At Odoo SA we have a open bug report but no response so far:*

> 

> Issue Type: Critical Bug

> 

> Module: Accounting / German Localization

> 

> Odoo Versions: [16.0, 17.0]

> 

> *Also affected is [18.0]*

> 

> Impacted Environment:

> 

> * Both

> ** Not affected is 17.04., 18.0*

> 

> 

> *Summary:*

> 

> The fiscal position is being incorrectly assigned to partners in the 

> German localization (German B2B partners with Vat-ID assigned). This 

> leads to incorrect tax calculations and potential legal compliance 

> issues for users relying on automated fiscal position determination.

> 

> 

> *Steps to Reproduce:*

> 

> 1. Configure the German localization module.

> 2. Create a new partner with an address located in Germany.

> 3. Assign a VAT ID to the partner.

> 4. Create a sales order or invoice for the partner.

> 5. Observe the fiscal position that gets assigned automatically (wrong).

> 

> *Expected Behavior:*

> 

> * The fiscal position should be assigned based on the VAT ID, address, 

> and configured fiscal rules.

> * The correct tax rates and exemptions should be applied in accordance 

> with German tax regulations.

> 

> 

> *Observed Behavior:*

> 

> * The fiscal position is either not assigned correctly or does not 

> reflect the expected tax rules.

> * Especially B2B partners receive an incorrect fiscal position, leading 

> to incorrect tax calculations.

> * This can result in non-compliance with German tax regulations and 

> incorrect tax reporting.

> 

> 

> *Impact:*

> 

> * Financial discrepancies due to incorrect tax application.

> * Compliance risks with German tax authorities.

> * Increased manual corrections required by users.

> 

> *Suggested Fix:*

> 

> * Review and correct the fiscal position assignment logic in the German 

> localization module.

> * Ensure that VAT IDs and partner addresses are properly considered when 

> determining fiscal positions.

> * Implement additional validation checks to avoid incorrect fiscal 

> position assignments.

> * I have proposed a quick fix solution in my video.

> 

> *Video:*

> 

> *

> *https://drive.google.com/file/d/1NY32FeGzALr8e-IpN9ojKlQGwe38ksAy/view 

> <https://drive.google.com/file/d/1NY32FeGzALr8e-IpN9ojKlQGwe38ksAy/view>

> 

> 

> *Priority: *

> 

> Critical

> 

> *Additional Notes:*

> 

> *

> ** This issue was observed in trainings for our customers.

> * All customers running on v16, v17, *v18 *in Odoo are effected (except 

> they assign fixed fiscal positions to partners, which happens in some 

> rare cases).

> * Affected users have reported increased manual workload due to 

> incorrect assignments.

> * Maybe they have created wrong account moves. Due to audit_trail we 

> cannot fix that easily.

> * We have to investigate this now on all customer databases (german 

> companies).

> * We strongly recommend you to warn other german customers working on a 

> v16, v17, *v18* version.

> 

> 

> Thorsten Vocks

> 

> openBIG.org

> Dipl. Kaufmann (FH)

> Porscheweg 4-6

> 49661 Cloppenburg

> 

> Phone: +49 4471 8409000

> Fax: +49 4471 84090009

> Mail: thorsten.vocks@openbig.org <mailto:thorsten.vocks@openbig.org>

> Web: http://www.openbig.org <http://www.openbig.org>

> 

> _______________________________________________

> Mailing-List: https://odoo-community.org/groups/contributors-15 

> <https://odoo-community.org/groups/contributors-15>

> Post to: mailto:contributors@odoo-community.org

> Unsubscribe: https://odoo-community.org/groups?unsubscribe 

> <https://odoo-community.org/groups?unsubscribe>

> 

mit freundlichen Grüßen,
Peter Niederlag

-- 
Dipl. Ökonom Peter Niederlag
Geschäftsführender Gesellschafter

Lösungen für digitale Zeiten
Agile DevOps, Cloud, TYPO3, Odoo und Linux

Datenbetrieb Technologie UG(haftungsbeschränkt)
Lipper Hellweg 146,  33605 Bielefeld
Geschäftsführer: Peter Niederlag
HRB 41826 Amtsgericht Bielefeld
Fon 0521 / 446 958 60
Fax 0521 / 446 958 69
    by Peter Niederlag - 12:41 - 22 Feb 2025
  • Re: Critical Fiscal Position Assignation Issue (only Germany) - 16.0 17.0 18.0
    Hallo Frederik,

    This revert

    https://github.com/odoo/odoo/commit/af3a24c010d3e7158c1324f36a1529c510d886a6

    and this original commit

    https://github.com/odoo/odoo/commit/bcaf8cb859dc2f7e975d180ba0fc49da20204557

    introduced and reverted the problematic code if i am not mistaken. I didn't review the code duely, but afais that the problematic code should only be in databases / data that have been created between

    24th of September 2024 and 25th of October 2024

    That means customers with versions of Odoo 16, 17 and 18 that either updated their code in that time frame or installed new databases should be affected. Others hopefully not!



    Unfortunately not.
    I could recapture that today on Odoo runbot v18.
    Last week on v16, v17 (current runbot versions).
    And all my other testing was also databases on odoo runbot.

    I guess the revert didn't fix the introduced problem.
    Honestly i am not 100% sure which exact commit introduced 
    the issue.

     
    Best regards
    Thorsten


    Best and thanks for circulating this

    Frederik

    Am 21.02.25 um 13:47 schrieb Thorsten Vocks:
    Hello,

    approx. 7 days ago we have detected a critical issue regarding the fiscal position assignation for setups with installed german localisation (l10n_de). Obviously all databases created / last updated approx. 20th October are affected.

    At first we thought version 18.0 is not affected but that was wrong.

    Here is the video with a manual fix of the fiscal positions:

    At Odoo SA we have a open bug report but no response so far:

    Issue Type: Critical Bug

    Module: Accounting / German Localization

    Odoo Versions: [16.0, 17.0]

    Also affected is [18.0]

    Impacted Environment:

    * Both
    * Not affected is 17.04., 18.0


    Summary:

    The fiscal position is being incorrectly assigned to partners in the German localization (German B2B partners with Vat-ID assigned). This leads to incorrect tax calculations and potential legal compliance issues for users relying on automated fiscal position determination.


    Steps to Reproduce:

    1. Configure the German localization module.
    2. Create a new partner with an address located in Germany.
    3. Assign a VAT ID to the partner.
    4. Create a sales order or invoice for the partner.
    5. Observe the fiscal position that gets assigned automatically (wrong).

    Expected Behavior:

    * The fiscal position should be assigned based on the VAT ID, address, and configured fiscal rules.
    * The correct tax rates and exemptions should be applied in accordance with German tax regulations.


    Observed Behavior:

    * The fiscal position is either not assigned correctly or does not reflect the expected tax rules.
    * Especially B2B partners receive an incorrect fiscal position, leading to incorrect tax calculations.
    * This can result in non-compliance with German tax regulations and incorrect tax reporting.


    Impact:

    * Financial discrepancies due to incorrect tax application.
    * Compliance risks with German tax authorities.
    * Increased manual corrections required by users.

    Suggested Fix:

    * Review and correct the fiscal position assignment logic in the German localization module.
    * Ensure that VAT IDs and partner addresses are properly considered when determining fiscal positions.
    * Implement additional validation checks to avoid incorrect fiscal position assignments.
    * I have proposed a quick fix solution in my video.

    Video:


    https://drive.google.com/file/d/1NY32FeGzALr8e-IpN9ojKlQGwe38ksAy/view


    Priority: 

    Critical

    Additional Notes:


    * This issue was observed in trainings for our customers.
    * All customers running on v16, v17, v18 in Odoo are effected (except they assign fixed fiscal positions to partners, which happens in some rare cases).
    * Affected users have reported increased manual workload due to incorrect assignments.
    * Maybe they have created wrong account moves. Due to audit_trail we cannot fix that easily.
    * We have to investigate this now on all customer databases (german companies).
    * We strongly recommend you to warn other german customers working on a v16, v17, v18 version.


    Thorsten Vocks

    openBIG.org
    Dipl. Kaufmann (FH)
    Porscheweg 4-6
    49661 Cloppenburg

    Phone: +49 4471 8409000
    Fax: +49 4471 84090009
    Mail: thorsten.vocks@openbig.org

                  

    _______________________________________________
    Mailing-List: https://odoo-community.org/groups/contributors-15
    Post to: mailto:contributors@odoo-community.org
    Unsubscribe: https://odoo-community.org/groups?unsubscribe

    -- 
Dr.-Ing. Frederik Kramer
Geschäftsführer

initOS GmbH
Innungsstraße 7
21244 Buchholz i.d.N.

Tel:   +49 (0) 4181 13503 12
Fax:   +49 (0) 4181 13503 10
Mobil: +49 (0) 179 3901819

Email: frederik.kramer@initos.com
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Sitz der Gesellschaft: Buchholz i.d.N.
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    by Thorsten Vocks - 05:36 - 21 Feb 2025
  • Re: Critical Fiscal Position Assignation Issue (only Germany) - 16.0 17.0 18.0

    Thanks Thorsten,

    that is an especially "funny" one that shows how important proper functional (regression) testing actually is. Especially but not limited to accounting!

    The responsible guys at Odoo seem to have had the global case (some cases in US, NL and BL) in mind but didn't care too much about getting things right for each and every country. Hence i am pretty sure the problem is not even limited to the German localisation.

    For the sake of transparency

    This revert

    https://github.com/odoo/odoo/commit/af3a24c010d3e7158c1324f36a1529c510d886a6

    and this original commit

    https://github.com/odoo/odoo/commit/bcaf8cb859dc2f7e975d180ba0fc49da20204557

    introduced and reverted the problematic code if i am not mistaken. I didn't review the code duely, but afais that the problematic code should only be in databases / data that have been created between

    24th of September 2024 and 25th of October 2024

    That means customers with versions of Odoo 16, 17 and 18 that either updated their code in that time frame or installed new databases should be affected. Others hopefully not!

    Best and thanks for circulating this

    Frederik

    Am 21.02.25 um 13:47 schrieb Thorsten Vocks:
    Hello,

    approx. 7 days ago we have detected a critical issue regarding the fiscal position assignation for setups with installed german localisation (l10n_de). Obviously all databases created / last updated approx. 20th October are affected.

    At first we thought version 18.0 is not affected but that was wrong.

    Here is the video with a manual fix of the fiscal positions:

    At Odoo SA we have a open bug report but no response so far:

    Issue Type: Critical Bug

    Module: Accounting / German Localization

    Odoo Versions: [16.0, 17.0]

    Also affected is [18.0]

    Impacted Environment:

    * Both
    * Not affected is 17.04., 18.0


    Summary:

    The fiscal position is being incorrectly assigned to partners in the German localization (German B2B partners with Vat-ID assigned). This leads to incorrect tax calculations and potential legal compliance issues for users relying on automated fiscal position determination.


    Steps to Reproduce:

    1. Configure the German localization module.
    2. Create a new partner with an address located in Germany.
    3. Assign a VAT ID to the partner.
    4. Create a sales order or invoice for the partner.
    5. Observe the fiscal position that gets assigned automatically (wrong).

    Expected Behavior:

    * The fiscal position should be assigned based on the VAT ID, address, and configured fiscal rules.
    * The correct tax rates and exemptions should be applied in accordance with German tax regulations.


    Observed Behavior:

    * The fiscal position is either not assigned correctly or does not reflect the expected tax rules.
    * Especially B2B partners receive an incorrect fiscal position, leading to incorrect tax calculations.
    * This can result in non-compliance with German tax regulations and incorrect tax reporting.


    Impact:

    * Financial discrepancies due to incorrect tax application.
    * Compliance risks with German tax authorities.
    * Increased manual corrections required by users.

    Suggested Fix:

    * Review and correct the fiscal position assignment logic in the German localization module.
    * Ensure that VAT IDs and partner addresses are properly considered when determining fiscal positions.
    * Implement additional validation checks to avoid incorrect fiscal position assignments.
    * I have proposed a quick fix solution in my video.

    Video:


    https://drive.google.com/file/d/1NY32FeGzALr8e-IpN9ojKlQGwe38ksAy/view


    Priority: 

    Critical

    Additional Notes:


    * This issue was observed in trainings for our customers.
    * All customers running on v16, v17, v18 in Odoo are effected (except they assign fixed fiscal positions to partners, which happens in some rare cases).
    * Affected users have reported increased manual workload due to incorrect assignments.
    * Maybe they have created wrong account moves. Due to audit_trail we cannot fix that easily.
    * We have to investigate this now on all customer databases (german companies).
    * We strongly recommend you to warn other german customers working on a v16, v17, v18 version.


    Thorsten Vocks

    openBIG.org
    Dipl. Kaufmann (FH)
    Porscheweg 4-6
    49661 Cloppenburg

    Phone: +49 4471 8409000
    Fax: +49 4471 84090009
    Mail: thorsten.vocks@openbig.org

                  

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Dr.-Ing. Frederik Kramer
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initOS GmbH
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Email: frederik.kramer@initos.com
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Geschäftsführung:
Dr.-Ing. Frederik Kramer & Dipl.-Ing. (FH) Torsten Francke

Sitz der Gesellschaft: Buchholz i.d.N.
Amtsgericht Tostedt, HRB 205226
USt-IdNr.: DE815580155
Steuer-Nr: 15/200/53247
    by Frederik Kramer - 02:51 - 21 Feb 2025