(a) This section applies only to a housing sponsor of a multifamily housing development that:
(1) receives financial assistance from the state;
(2) receives financial assistance from the federal government, including an allocation of low income housing tax credits; or
(3) is subject to a land use restriction agreement.
(b) The department by rule shall require the housing sponsor of a multifamily housing development to submit a quarterly report to the department. The report must include information that identifies:
(1) the number of vacant units in the development at the time of the report; and
(2) the number of days that each unit has been vacant.

(c) The department shall provide to each member of the legislature, on request of that member, a report that disaggregates the information collected under Subsection (b) by zip code in the member’s district.