Wis. Admin. Code § PSC 185.19
(1) A utility shall preserve the following records in a readable format and keep them available for inspection by the commission for the period indicated. The list is not to be taken as comprehending all types of utility records.
Note: See also “Investigation to Consider Proposed Changes to Records Retention Requirements for Electric, Gas and Water Utilities” adopted by the commission in docket 5-US-114, December 12, 2006, as amended March 19, 2009, for a more comprehensive listing of retention periods of specific records.
History: Cr. Register, January, 1997, No. 493, eff. 2-1-97; CR 13-033: am. (1) Register July 2015 No. 715, eff. 8-1-15.