GST IRAS Audit File Generator in Singapore Localization Suite

By | August 29, 2025
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In Sage Intacct, The GST IRAS Audit File (IAF) Generator is a specialized tool designed to help businesses in Singapore comply with the Goods and Services Tax (GST) audit requirements set by the Inland Revenue Authority of Singapore (IRAS). This utility enables organizations to automatically generate the required IAF in text format, containing key transactional and accounting data for a specific reporting period. By streamlining the extraction and formatting of relevant data, the IAF Generator ensures accuracy, enhances audit readiness, and simplifies the process of submitting information during GST audits or investigations.

New Stuff: – SEZ AR Invoice Report in Sage Intacct

In this blog, we are going to discuss working of GST IRAS Audit File (IAF) Generator. The generator will export all the data regarding Company Info, Sales and Purchase Transaction as well as GL transactions. To organize the data as per the IRAS requirement we have provided the filters on Start Year-Period and End Year-Period. User needs to define above-mentioned filters to get required results upon clicking of export button.

Please refer below screenshot of the user interfaces for the “GST IRAS Audit File Generator”.

Figure 1: UI Design – GST IRAS Audit File Generator

The data will be exported in text file-based format with parameter as from & To Year-Period provided in the filter.

Below is the text-based generated output of the “GST IRAS Audit File Generator” report: –

Figure 2: Output – GST IRAS Audit File Generator

This IAF Report includes following fields.

  • Company Data.
    • Company Name.
    • Company UEN No.
    • GST No.
    • Period Start.
    • Period End.
    • IAF Creation Date.
    • Product Version.
    • IAF Version.
  • Sales Data.
    • Supplier Name.
    • Supplier UEN No.
    • Invoice Date.
    • Invoice No.
    • Permit No.
    • Line No.
    • Product Description.
    • Purchase Value (SGD).
    • GST Value (SGD).
    • Tax Code.
    • Foreign Currency Code.
    • Purchase Amount in Foreign Currency.
    • GST Amount in Foreign Currency.
  • Purchase Data.
    • Customer Name.
    • Customer UEN No.
    • Invoice Date.
    • Invoice No.
    • Line No.
    • Product Description.
    • Supply Value (SGD).
    • GST Value (SGD).
    • Tax Code.
    • Country.
    • Foreign Currency Code.
    • Purchase Amount in Foreign Currency.
    • GST Amount in Foreign Currency.
  • GL Data.
    • Transaction Date.
    • Account ID.
    • Account Name.
    • Transaction Description.
    • Name.
    • Transaction ID.
    • Source Document ID.
    • Source Type.
    • Debit.
    • Credit.
    • Balance.

In this way user can easily fetch the required data using GST IRAS Audit File Generator tool as per the guidelines of Inland Revenue Authority of Singapore (IRAS).

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