24 CFR § 103.40
Can I change my complaint after it is filed?
February 22, 2021
(a) Yes, you may change your fair housing complaint:
(1) At any time to add or remove people according to the law and the facts; or
(2) To correct other items, such as to add additional information found during the investigation of the complaint.
(b) You must approve any change to your complaint; we will consider the changes made as of the date of your original complaint.
[64 FR 18540, Apr. 14, 1999]