(a) Each school district shall perform leakage tests for leakage on the LP-gas piping system in each school district facility at least biennially. The tests must be performed before the beginning of the school year.
(b) The school district may perform the leakage tests on a two-year cycle under which the tests are performed for the LP-gas piping systems of approximately one-half of the facilities each year.

(c) If a school district operates one or more school district facilities on a year-round calendar, the leakage test in each of those facilities must be conducted and reported not later than July 1 of the year in which the test is performed.
(d) A test performed under a municipal code satisfies the pressure testing requirements prescribed by this section.