dards Act and Service Contract Labor Standards--Price Adjustment (May 2014) (29 U.S.C. 206 and 41 U.S.C. chapter 67). (5) 52.222-51. Exemption from Application of the Service Contract Labor Standards to Contracts for Maintenance, Calibration, or Repair of Certain Equipment--Requirements (May 2014) (41 U.S.C. chapter 67). (6) 52.222-53, Exemption from Application of the Service Contract