43 CFR § 2.11
What contact information should your request include?
June 11, 2020
A request should include your name and a way (such as a mailing or email address) for the bureau to send responsive records to you and/or to request additional information or clarification of your request. You may also wish to include a daytime telephone number (or the name and telephone number of an appropriate contact).
[81 FR 11128, Mar. 3, 2016]