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Small and medium business | Business Central, N...
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Missing Posted Sales Invoice Numbers in Business Central – How Do You Explain This to Auditors?

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Hi Experts,

I noticed that some Posted Sales Invoice numbers are missing when reviewing the posted sales invoice list in Microsoft Dynamics 365 Business Central.

Since posted sales invoice numbers are generated automatically from the configured No. Series, I have the following questions:

  • What are the common reasons for missing posted sales invoice numbers?
  • Under what scenarios does Business Central reserve or skip invoice numbers?
  • Can this happen because of posting errors, transaction rollbacks, session timeouts, or system interruptions?
  • Is there any standard functionality or log that helps identify why a specific posted invoice number was skipped?
  • What is the recommended approach for explaining these missing numbers during statutory or external audits?
  • Are there any Microsoft best practices or documentation that auditors generally accept as evidence?

For example, if the sequence is:

Invoice IBV2526/MH/P0125,125 is missing. Since there is no posted document with that number, how do you justify this gap to auditors, and how can you determine the actual reason it was skipped?

I would appreciate any insights, best practices, or real-world experiences from the community.

 

 

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I have the same question (0)
  • Suggested answer
    Yash_Mistry Profile Picture
    539 on at
    Hello,

    There might be two possiblity :
    1.There may have been an error after the posted invoice number was assigned during the posting process. In this case, the Last No. Used on the No. Series page is updated, but the posting fails, resulting in a gap in the posted invoice numbers.
    2.If Allow Document Deletion Before is enabled in Sales & Receivables Setup, users can delete posted sales invoices. In that case, it's possible that someone deleted the missing posted sales invoice.

    Hope this helps resolve your issue.
    If this solution was helpful, please consider marking it as Verified Answer.
     

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