24 CFR 960.201: Eligibility.

(a) Who is eligible? (1) Basic eligibility. An applicant must meet all eligibility requirements in order to receive housing assistance. At a minimum, the applicant must be a family, as defined in § 5.403 of this title, must be income-eligible, as described in this section, and must meet the net asset and property ownership restriction requirements in § 5.618 of this title. Such eligible applicants include single persons.

(2) Low income limit. No family other than a low income family is eligible for admission to a PHA's public housing program.

(b) Income used for eligibility and targeting. Family annual income (see § 5.609) is used both for determination of income eligibility under paragraph (a) and for PHA income targeting under § 960.202

(c) Reporting. The PHA must comply with HUD-prescribed reporting requirements that will permit HUD to maintain the data, as determined by HUD, necessary to monitor compliance with income eligibility and targeting requirement.