Okla. Stat. tit. 68, § 68-2852: Gas, light, heat and power companies - Sworn statement

All gas, light, heat and power companies shall annually return

to the Oklahoma Tax Commission a sworn statement showing the size

and total length of pipe owned by such company and the location

thereof, giving the county, city and school district; a statement of

franchises held by such company from any municipal corporation in

this state, the length of time the same are to run, and the

conditions under which they were granted; and a statement of all

buildings and other permanent improvements, pumping stations, tools,

material and other personal property, and the location thereof.