Okla. Admin. Code § 165:58-3-23.1
Each PSP shall maintain a complete written record of all customer trouble reports of service-affecting defects in payphone service provided by the PSP. The records shall identify the end-user or service affected, the time and date of the report, the nature of the defect reported, the action taken to correct the trouble, the date and time of trouble clearance or other disposition. Each PSP shall make a full and prompt investigation of every trouble report made to it by its end-users, either directly or through the Commission. It shall keep a record of each trouble report received. Each record shall show the name and address of the reporting end-user, the date and character of the trouble reported, and the adjustment or disposal made thereof, which record shall be retained for two (2) years. Records shall be kept of all trouble reports as defined by this Chapter.
Added at 16 Ok Reg 2333, eff 7-1-99