Section 16-11-27 - Meter test-methods(a) All meter tests shall be made by thoroughly trained personnel.(b) All tests in determining accuracy of any gas service meter shall be made with a meter prover, unless, because of the unusual capacity or construction of the meter, such method of test is considered impracticable, and another method of test has received the approval of the commission.Conn. Agencies Regs. § 16-11-27