Okla. Stat. tit. 3, § 201
Any department, agency or commission which is authorized to own or operate aircraft is hereby authorized to carry insurance on such aircraft and pay the premium therefor out of funds appropriated for the operation of such subdivision of government for the following kinds and within the limits indicated:
(c) medical expense, Ten Thousand Dollars ($10,000.00).
Such insurance shall be on standard policy forms approved by the State Insurance Commissioner and with companies authorized to do business in Oklahoma.
Laws 1963, HB 689, c. 61, § 1, emerg. eff. May 13, 1963.