Wis. Admin. Code § PSC 185.75
Meters shall be tested by the utility at the following times:
(1) Before use or sample tests in accordance with s. PSC 185.751 shall include:
History: Cr. Register, January, 1997, No. 493, eff. 2-1-97; CR 01-033: am. (5), Register October 2001 No. 550, eff. 11-1-01.