A. It shall be unlawful to operate any trailer, not otherwise required to be licensed by law, which is used for the hauling of livestock upon the roads or highways of the State of Oklahoma unless that trailer bears an identifying number.

B. Trailers owned by individual persons shall be identified with the driver license number of the owner. Trailers owned by corporations, partnerships, and other associations or owned by a person who has no driver license shall be identified with numbers as designated by rules of the State Board of Agriculture with advice from the Oklahoma Department of Public Safety.

C. The identifying number shall be in Arabic numerals in a contrasting color of not less than two (2) inches high painted or otherwise affixed to the rear of the trailer so it is clearly visible from the rear at all times and in a manner as to reasonably assure against alteration or destruction.

D. The State Board of Agriculture may promulgate rules, and with the advice of the Oklahoma Department of Public Safety, direct the affixing of identifying numbers to livestock trailers.

E. It shall be unlawful to alter a livestock trailer identifying number other than to comply with this subarticle or rules issued pursuant to this subarticle.¹

F. No fee shall be charged for the issuance of any trailer identification number required by this subarticle.