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What a Certificate of Taxation Analysis actually contains

A short, plain tour of the document: what it shows, and why it is worth keeping on the file.

Written by
IMG
Andrew Lovett
Founder, Tony.Online
26 July 2026 · 4 min read

A Certificate of Taxation Analysis is a record of a structured, line by line analysis of a return. It is a working paper for the tax agent, not a document for the taxpayer, and its job is to show clearly what was looked at and what was found.

Key takeaways

  • The certificate is a working paper for the agent, not a document for the taxpayer
  • Every label lands in one of three clear outcomes
  • It doubles as documented evidence of reasonable care

What it shows

  • Every label, with a clear status. Each item is marked as traced and consistent, worth a second look, or flagged to check.
  • The reasoning behind each finding. Not just that something was flagged, but why, with the relevant instruction or guidance behind it.
  • An entity by entity summary. For a group, each entity rolls up into one overall picture.
  • An overall rating. A single, plain read on where the return stands.

The three outcomes

Every label lands in one of three places. Traced and consistent means the figure ties back to the workings and the instructions. Worth a second look means there is a judgment call, an apportionment or a threshold that deserves a human eye. Flagged means there is a likely error or an inconsistency to resolve before lodging. Nothing is left ambiguous.

Why keep it on file

Two reasons. First, it is a fast way to see what needs attention before you lodge, without reading every figure yourself. Second, it is evidence. A documented analysis is a clear record that reasonable care was taken, which is exactly the kind of thing that is useful to have if a return is ever queried.

The certificate is not the decision. You review it, you make the call, and you sign off. It is simply a clear, documented second read that lives on the file.

IMG
Written by
Andrew Lovett
Founder, Tony.Online · Director, Lovetts · Registered Tax Agent

Two decades working across every entity type, and a computer-science background that turned into Tony.Online, the tireless second analysis he always wished he had.

This article is general information for Australian tax professionals and is not tax, financial or legal advice. It is not a substitute for your professional judgment or for advice specific to your circumstances. Tony.Online supports the analysis process and does not replace the professional responsibility of the registered tax agent; all positions should be independently verified against the current Tax Office instructions before acting. Read our full Website Disclaimer.

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