Okla. Stat. tit. 4, § 506
Any municipality that does not have proper facilities and trained personnel shall transport in a humane manner any animals which are to be euthanized to the nearest municipality which has proper facilities and trained personnel or contract for euthanasia of such animals by a licensed veterinarian.
Laws 1981, HB 1277, c. 167, § 6, eff. October 1, 1981.