Good recordkeeping supports accurate returns, due diligence, client service, and responses to IRS inquiries.
Records to maintain
- Signed authorizations and acknowledgments where applicable.
- Copies of returns and supporting worksheets.
- Due diligence documentation and Form 8867 support.
- Client document requests, notes, and responses.
- Quality review notes and escalation decisions.
Recommended retention: Keep due diligence records for at least 3 years. Retain longer when professional rules, state rules, or the facts require it.

