The Commissioner of Labor may modify the application of rules or regulations to an operator who demonstrates a hardship resulting from such application if the public safety will remain secure. Any owner or operator may make a written request to the Commissioner of Labor specifying the hardships which are his grounds for requesting such modification. Any authorization by the Commissioner of Labor shall be in writing and shall describe the conditions under which the modifications shall be permitted. A permanent record of all modifications shall be kept in the Department of Labor for public inspection.
Okla. Stat. tit. 40, § 466