Section H HOW TO Lodge Your Supplementary Annual GST Return
ATO (CWLTH) resource. Rules Mate indexes this as part of the Australian compliance corpus. Click through for the regulator's primary source.
https://www.ato.gov.au/forms-and-instructions/instructions-to-complete-the-supplementary-annual-gst-return-2025/section-h-how-to-lodge-your-supplementary-annual-gst-return
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