§47-6-110.1.

§47-6-110.1.
   
   The following endorsements shall be placed on an Oklahoma driver's
   license to any person qualifying therefor as determined by the
   Department of Public Safety.
   
   Endorsement Authorizes the operation of:
   
   "H" A nontank type vehicle used
   
   to transport hazardous materials
   
   in placardable amounts pursuant
   
   to 49 C.F.R., Part 172, subpart
   
   F;
   
   "M" A motorcycle;
   
   "N" A tank vehicle as defined in
   
   Section 1-173.1 of this title;
   
   "P" A vehicle designed by the
   
   manufacturer to transport
   
   sixteen or more passengers,
   
   including the driver;
   
   "T" A vehicle with double or triple
   
   trailers;
   
   "X" A tank vehicle used to transport
   
   hazardous materials in placardable
   
   amounts pursuant to 49 C.F.R.,
   
   Part 172, subpart F.
   
   The Department may also provide for additional endorsements as may be
   needed or as otherwise provided for by law.
   
   All endorsements as provided for in this section must be obtained
   prior to the operation of such vehicles.
   
   However, the requirement for a hazardous materials endorsement is not
   required for the operation of farm vehicles used to transport
   pesticides, fertilizers, or other products integral to farming, but
   which are defined as hazardous materials.