A.
The regulatory commission shall maintain separate files for all rate matters, assign a case number and an appropriate caption to each rate matter, and maintain a case listing.
B.
A separate series of case numbers will be used for each calendar year.
C.
Files for rate matters shall contain the original of each filing, a transcript of the advisory commission public hearing, a transcript of the regulatory commission public hearing, if any, and all other materials relating to the hearing proceedings.
(AR No. 89-242(S))