(1) A local district may create a fee structure under this title that permits:

1. (a) a home owner or residential tenant to file for a fee credit for a fee charged by the local district, if the credit is based on:

   1. (i) the home owner's annual income; or
   2. (ii) the residential tenant's annual income; or
2. (b) an owner of federally subsidized housing to file for a credit for a fee charged by the local district.

(2) If a local district permits a person to file for a fee credit under Subsection (1)(a), the local district shall make the credit available to:

1. (a) a home owner; and
2. (b) a residential tenant.