Section R. 460.2021 - General filing instructionsRule 21.
(1) When the commission directs a utility to file rate schedules, rules, and regulations, or special contracts, the utility shall submit an electronic copy of the document in the form prescribed in the commission order.(2) When submitting filings, the utility shall also submit a transmittal letter listing the tariff sheets being filed, the reason or reasons for the filing, and the commission order or orders to which the filing responds.(3) After accepting a filing, the commission shall return an electronically stamped copy of the utility's filing and a filing acceptance letter to the utility. The acceptance letter, the utility's transmittal letter, and the stamped copy of the filing returned to the utility signify that the commission accepted the filing.Mich. Admin. Code R. 460.2021