In the event a failure of required equipment or standards of maintenance occurs in a caboose after it has commenced a move in service, the railroad operating that caboose shall not be deemed in violation of this act if said failure of equipment or standards of maintenance is corrected at the first designated maintenance point, or, in the case of repairs, the first designated maintenance point at which materials and repair facilities are available and repairs can reasonably be made.
Okla. Stat. tit. 66, § 266