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This article applies to Microsoft Dynamics NAV for the Portuguese (pt) language locale.


When you register some purchase lines with items that contain non-deductible value-added tax (VAT) in the Portuguese version of Microsoft Dynamics NAV 2009, a rounding residual may occur.

This problem occurs in the following products:

  • The Portuguese version of Microsoft Dynamics NAV 2009 R2

  • The Portuguese version of Microsoft Dynamics NAV 2009 Service Pack 1 (SP1)


Hotfix information

A supported hotfix is now available from Microsoft. However, it is only intended to correct the problem that is described in this article. Apply it only to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft Dynamics NAV 2009 service pack or the next Microsoft Dynamics NAV version that contains this hotfix.

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Technical Support Professional for Microsoft Dynamics and related products determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Installation information

Microsoft provides programming examples for illustration only, without warranty either expressed or implied. This includes, but is not limited to, the implied warranties of merchantability or fitness for a particular purpose. This article assumes that you are familiar with the programming language that is being demonstrated and with the tools that are used to create and to debug procedures. Microsoft support engineers can help explain the functionality of a particular procedure. However, they will not modify these examples to provide added functionality or construct procedures to meet your specific requirements.

Note Before you install this hotfix, verify that all Microsoft Dynamics NAV client users are logged off the system. This includes Microsoft Dynamics NAV Application Server (NAS) services. You should be the only client user who is logged on when you implement this hotfix.

To implement this hotfix, you must have a developer license.

We recommend that the user account in the Windows Logins window or in the Database Logins window be assigned the "SUPER" role ID. If the user account cannot be assigned the "SUPER" role ID, you must verify that the user account has the following permissions:

  • The Modify permission for the object that you will be changing.

  • The Execute permission for the System Object ID 5210 object and for the System Object ID 9015


Note You do not have to have rights to the data stores unless you have to perform data repair.

Code changes

Note Always test code fixes in a controlled environment before you apply the fixes to your production computers.

To resolve this problem, follow these steps:

  1. Add a Global variable in the Purch.-Post Codeunit (90) as follows:

    TotalItemJnlAmount@1110115 : Decimal;
  2. Change the code in the PostItemJnlLine function in the Purch.-Post Codeunit (90) as follows:
    Existing code

    ItemJnlLine.Amount := ROUND(ItemJnlLine.Amount);

    ItemJnlLine."Discount Amount" := ROUND(ItemJnlLine."Discount Amount");

    Replacement code

    ItemJnlLine.Amount := ROUND(ItemJnlLine.Amount);

    // Add the following lines.
    TotalItemJnlAmount += ItemJnlLine.Amount;
    IF FinalPurchaseLine(PurchLine) AND (TotalItemJnlAmount <> TotalPurchLineLCY."Amount Including VAT") AND
    ItemJnlLine.Amount += TotalPurchLineLCY."Amount Including VAT" - TotalItemJnlAmount;
    // End of the added lines.

    ItemJnlLine."Discount Amount" := ROUND(ItemJnlLine."Discount Amount");
  3. Add a local procedure FinalPurchaseLine as follows:

    LOCAL PROCEDURE FinalPurchaseLine@1110101(PurchLine2@1110000 : Record 39) : Boolean;

    IF PurchLine2.NEXT = 0 THEN





You must have one of the following products installed to apply this hotfix:

  • The Portuguese version of Microsoft Dynamics NAV 2009 R2

  • The Portuguese version of Microsoft Dynamics NAV 2009 Service Pack 1

Removal information

You cannot remove this hotfix.


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Usefor other considerations.

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