Section 56.14131 - Seat belts for haulage trucks(a) Seat belts shall be provided and worn in haulage trucks.(b) Seat belts shall be maintained in functional condition, and replaced when necessary to assure proper performance.(c) Seat belts required under this section shall meet the requirements of SAE J386, "Operator Restraint System for Off-Road Work Machines" (1985, 1993, or 1997), which are incorporated by reference.(d) The incorporation by reference of these publications is approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51 . Copies of these publications may be examined at any Metal and Nonmetal Mine Safety and Health District Office; at MSHA's Office of Standards, Regulations, and Variances, 201 12th Street South, Arlington, VA 22202-5452; 202-693-9440; or at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. Copies may be purchased from the Society of Automotive Engineers, 400 Commonwealth Drive, Warrendale, PA 15096-0001; 724-776-4841; http://www.sae.org.50 FR 4054, Jan. 29, 1985, as amended at 67 FR 38385 , June 4, 2002; 68 FR 19347 , Apr. 21, 2003; 80 FR 52987 , Sept. 2, 2015