31 C.F.R. § 8.34 Knowledge of client's omission.
Title 31 - Money and Finance: Treasury
Each attorney, certified public accountant, or enrolled practitioner who knows that a client has not complied with applicable law, or has made an error in or omission from any document, affidavit, or other paper which the law requires the client to execute, shall advise the client promptly of the fact of such noncompliance, error, or omission.
Title 31: Money and Finance: Treasury
PART 8—PRACTICE BEFORE THE BUREAU OF ALCOHOL, TOBACCO AND FIREARMS
Subpart D—Duties and Restrictions Relating to Practice
§ 8.34 Knowledge of client's omission.