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Microlesson · 5-min read

Final Assembly of Audit File – 60-Day Rule, Permissible Changes, and Retention

## Final Assembly of the Audit File (SA 230)

### The 60-Day Rule

The auditor must complete the administrative process of assembling the final audit file within 60 days of the date of the auditor's report.

### Nature of the Assembly Process

Final assembly is an administrative process only. It must NOT involve:

  • Performing new audit procedures
  • Drawing new audit conclusions

### Permissible Changes During Final Assembly

Changes are allowed only if they are administrative in nature:

PermissibleNot Permissible
Deleting/discarding superseded documentationPerforming new audit procedures
Sorting, collating, cross-referencing working papersDrawing new audit conclusions
Signing off on completion checklistsAdding new substantive audit evidence dated after report
Documenting evidence agreed before report dateChanging existing audit conclusions

### After Final Assembly: Retention Rule

Once the final audit file is assembled, the auditor shall not delete or discard any audit documentation before the end of the retention period. Even documents that appear redundant cannot be removed.

### Practical Timeline

```

Audit work performed

Date of Auditor's Report ← starting point

↓ (within 60 days)

Final Audit File Assembled

↓ (until end of retention period)

No deletion or discarding permitted

```

Worked example

### Example 1

CA Tanuj issued his audit report on 18 August 2024. He discarded outdated supporting schedules and corrected cross-referencing errors during final assembly, completing the file on 10 October 2024. Analysis: (a) 10 October 2024 is 53 days after 18 August 2024 — within the 60-day limit ✓; (b) discarding outdated schedules and correcting cross-references are administrative changes ✓; (c) no new audit conclusions were drawn ✓. CA Tanuj's actions are fully compliant with SA 230.

### Example 2

CA B made three errors: (a) he believed paper documentation was mandatory — incorrect, electronic is permitted; (b) he assembled the file 3 months after the audit report — incorrect, must be within 60 days; (c) he retained files for only 4 years — may be non-compliant if the prescribed minimum retention period is longer. All three practices violate SA 230 requirements.

⚠️ Common exam mistakes

  • Thinking any change to the file after the report date is prohibited — only non-administrative changes are prohibited; administrative changes within 60 days are explicitly permitted.
  • Confusing the 60-day assembly deadline with the retention period — 60 days is for assembly; the retention period (typically years) is how long the assembled file must be kept.
  • Believing that after assembly, redundant documents can be discarded — the prohibition on deletion applies to all documentation without exception until the retention period ends.
  • Treating 'documenting evidence obtained before the report date' as a new procedure — it is permissible during final assembly if the evidence was obtained, discussed, and agreed before the report date.
Bare-Act text Assembly of the Final Audit File · SA 230 · click to expand
The auditor shall assemble the audit documentation in an audit file and complete the administrative process of assembling the final audit file on a timely basis after the date of the auditor's report. An appropriate time limit within which to complete the assembly of the final audit file is ordinarily not more than 60 days after the date of the auditor's report. After the assembly of the final audit file has been completed, the auditor shall not delete or discard audit documentation of any nature before the end of its retention period.
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