All tariffs and time schedules shall be filed with the Commission and posted in convenient form for the information of the public and shall be kept current. A change in rates may not be made on less than 30 days' notice except by special permission of the Commission.

Authority: Public Utilities Article, §§2-113, 2-121, 5-101, 9-101—9-103, and 9-201—9-206, Annotated Code of Maryland

Effective date: October 10, 1945 (Order No. 41456)