27 CFR §19.687

If there is a change in the list of officers, directors, members, managers, or other principal persons furnished under the provisions of § 19.675, § 19.676, or § 19.677, the proprietor must submit a letterhead notice to the appropriate TTB officer within 30 days of the change. The letterhead notice must identify each change and must include the following identifying information for each new officer, director, member, manager, or other principal person: name, address, title, social security number, date of birth, and place of birth.