HOW-TO

How to check GST coding on vendor invoice records in Dynamics 365 Finance before you lodge your BAS

Short answer

In Dynamics 365 Finance, run the GST report by sales tax code for the period. Review large bills, new suppliers and freight, fix wrong sales tax code entries and check you hold a tax invoice for each credit.

Last checked

A pre-BAS GST check means reviewing bills for wrong tax codes, missing tax invoices and suppliers not registered for GST before you claim credits.

Before you start

  • Tax roles

The Dynamics 365 Finance way

Where to find it: Sales tax reporting codes and BAS report

  1. Check sales tax codes carry the right BAS reporting codes.
  2. Run the sales tax reports for the period.
  3. Fill the extra BAS boxes by transaction or by hand.

Limits in Dynamics 365 Finance

  • No exception report for wrong GST coding was found.

The Pulsify way

  1. Forward bills to Pulsify through the period.
  2. Pulsify sets a GST code on each line from the rate printed on that line.
  3. Pulsify flags a supplier ABN that is not registered for GST when GST is charged.
  4. Review flags before approval, so fewer errors reach Dynamics 365 Finance.

Pulsify connects to Dynamics 365 Finance. We set up the connection for you.

What Pulsify does not do here

  • Pulsify does not lodge or prepare your BAS.
  • It does not check bills already in Dynamics 365 Finance.

Common mistakes

  • Leaving a sales tax code without the right BAS reporting code.
  • Expecting an exception report for wrong GST coding, when none was found.

More help

Sources

Last checked 2026-10-19. Confidence: partial.

Common questions

How do I check GST coding before BAS?

Check that sales tax codes carry the right BAS reporting codes. Run the sales tax reports for the period. Fill the extra BAS boxes by transaction or by hand.

Is there an exception report for wrong GST coding?

The Microsoft help does not describe one. Review the sales tax reports yourself.

How do tax codes reach the BAS boxes?

Reporting codes in the BAS feature place each tax code in the right box. A code without the right reporting code can land in the wrong box.

Does Pulsify prepare my BAS?

No. It helps get bills coded correctly.

Pulsify setup guides

Want this done for you?

Book a call to see how Pulsify handles supplier bills in Dynamics 365 Finance.