42 U.S.C. § 300ff–61: Confidentiality and informed consent

(a) ConfidentialityThe Secretary may not make a grant under this part unless, in the case of any entity applying for a grant under section 300ff–51 of this title, the entity agrees to ensure that information regarding the receipt of early intervention services pursuant to the grant is maintained confidentially in a manner not inconsistent with applicable law. (b) Informed consentThe Secretary may not make a grant under this part unless the applicant for the grant agrees that, in testing an individual for HIV/AIDS, the applicant will test an individual only after the individual confirms that the decision of the individual with respect to undergoing such testing is voluntarily made.