24 C.F.R. § 5.2007
(a) Request for documentation.
(2)
(i) If an applicant or tenant does not provide the documentation requested under paragraph (a)(1) of this section within 14 business days after the date that the tenant receives a request in writing for such documentation from the covered housing provider, nothing in § 5.2005 or § 5.2009, which addresses the protections of VAWA, may be construed to limit the authority of the covered housing provider to:
(b) Permissible documentation and submission requirements.
(1) In response to a written request to the applicant or tenant from the covered housing provider, as provided in paragraph (a) of this section, the applicant or tenant may submit, as documentation of the occurrence of domestic violence, dating violence, sexual assault, or stalking, any one of the following forms of documentation, where it is at the discretion of the tenant or applicant which one of the following forms of documentation to submit:
(ii) A document:
(c) Confidentiality. Any information submitted to a covered housing provider under this section, including the fact that an individual is a victim of domestic violence, dating violence, sexual assault, or stalking (confidential information), shall be maintained in strict confidence by the covered housing provider.
(2) The covered housing provider shall not enter confidential information described in paragraph (c) of this section into any shared database or disclose such information to any other entity or individual, except to the extent that the disclosure is: