24 CFR § 103.30
How should I bring a claim that I am the victim of discrimination?
February 22, 2021
(a) You can file a claim by mail or telephone with any of HUD's Offices of Fair Housing and Equal Opportunity or with any State or local agency that HUD has certified to receive complaints.
(b) You can call or go to any other HUD office for help in filing a claim. These offices will send your claim to HUD's Office of Fair Housing and Equal Opportunity, which will contact you about the filing of your complaint.
[64 FR 18540, Apr. 14, 1999]