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Welcome to the new ACRA website (test version)

Accounting and Corporate Regulatory Authority

Updating changes in particulars: Public accounting firm (PAF)

Learn what PAF changes you must update with ACRA, including deadlines, required information, and step-by-step filing instructions.

Last updated 29 January 2026

Changes you must update

Before you update

Who can update
Fees and processing time

How to update