No attorney, certified public accountant, enrolled agent, or enrolled actuary who is an income tax return preparer shall endorse or otherwise negotiate any check made in respect of income taxes which is issued to a taxpayer other than the attorney, certified public accountant or enrolled agent.
Circular 230 § 10.31 — Negotiation of taxpayer checks. · CFR 2001 annual edition (revised as of 2001-07-01) · https://pensionresource.website/EAMain?content=EAMain.Law&id=cfr31-10.31&asof=1997-07-01 · printed Oct 16, 2026