with any agency of the federal government shall be subject to the prior approval of such federal agency. The Commissioner of Housing shall define the income of a family to provide the basis for determining eligibility for the admission, rentals and for the continued occupancy of families under the maximum income limits fixed and approved. The definition of family income, by the Commissioner of Housing, may provide for the exclusion of all or part of the income of family members which, in the judgment of said commissioner, is not generally available to meet the cost of basic living needs of the family. No housing authority or developer shall refuse to rent any dwelling accommodation to an otherwise qualified applicant on the ground that one or more of the proposed occupants are children born out of wedlock. Each housing authority and developer shall provide a receipt to each applicant for admission to its housing projects stating the time and date of application and shall maintain a list of such applications, which shall be a public record as defined in section 1-200. The Commissioner of Housing shall, by regulation, provide for the manner in which such list shall be created, maintained and revised. No provision of this part shall be construed as limiting the right of the authority to vest in an obligee the right, in the event of a default by such authority, to take possession of a housing project or cause the appointment of a receiver thereof or acquire title thereto through foreclosure proceedings, free from all the restrictions imposed by this chapter with respect to rental rates and tenant selection. The Commissioner of Housing shall approve an operation or management plan of each housing project, which shall provide an income adequate for debt service, if any,