§47-151.

§47-151.
   
   On each side of every state-owned automobile shall be painted the
   words "State of Oklahoma" in conspicuous letters at least three (3)
   inches in height and the name of the department or institution by
   which said automobile is used in conspicuous letters at least two (2)
   inches in height, except that vehicles used regularly as patrol units
   shall be distinctively painted black and white and shall bear the
   wording "Oklahoma Highway Patrol" on each side of the vehicle in
   letters of such size as to be easily distinguishable, it being the
   purpose and intention of the Legislature that said patrol units shall
   be marked in the future in the same manner as those now in use. The
   Commissioner of Public Safety is hereby authorized to designate colors
   and markings, in lieu of those authorized by the provisions of this
   section, for patrol units used for patrol purposes and for selective
   traffic law enforcement.
   
   B. Vehicles purchased by the Oklahoma State Bureau of Narcotics and
   Dangerous Drugs Control for use in undercover investigations and
   vehicles purchased by the Oklahoma State Bureau of Investigation shall
   not be subject to the provisions of this section.