6.4.4. Four-Year Records
FINRA defines customer complaint as any written statement from a customer alleging a grievance that involves the activities of a member firm or its associated persons in connection with the solicitation or execution of a securities transaction.
Customer complaint records shall be kept at the Office of Supervisory Jurisdiction under whose jurisdiction the complaint was filed and maintained for at least four years. These records should include the complainant’s name, address, and account number; the date the complaint was received; the name of any other associated person identified in the complaint; a description of the nature of the complaint; and the disposition of the complaint.
For complaints specifically involving allegations of theft, forgery, or the misappropriation of funds, member firms must promptly report to FINRA upon learning that the firm or an associated person is the subject of a written customer complain