Section 31.31.01.155 - CUSTOMER METER TEST LOADS01.Testing of Meters. All tests to determine the accuracy of registrations of gas service meters shall be made with a suitable meter prover or testing equipment. Unless exempted by order of the Commission, at least two (2) test runs shall be made on each bellows type displacement meter, the results of which shall agree with each other within one percent (1%).02.Gas Flows During Testing. The rate of flow to be used in testing all capacity meters shall be twenty percent (20%) (Check) and eighty percent (80%) to one hundred percent (100%) (Open) of the rated capacity.Idaho Admin. Code r. 31.31.01.155