; and (6) to take any action authorized by the Act with respect to complaints of discrimination against employees for exercising rights under the Act: Provided further , That the foregoing proviso shall not apply to any person who is engaged in a farming operation which does not maintain a temporary labor camp and employs 10 or fewer employees: Provided further , That not less than $3,500,000 shall be for Voluntary Protection Programs. Mine safety and health administration Salaries and expenses For necessary expenses for the Mine Safety and Health Administration, $359,975,000, including purchase and bestowal of certificates and trophies in connection with mine rescue and first-aid work, and the hire of passenger motor vehicles, including up to $2,000,000 for mine rescue and recovery activities and not less than $10,537,000 for State assistance grants: Provided , That amounts available for State assistance grants may be used for the purchase and maintenance of new equipment required by the final rule entitled Lowering Miners’ Exposure to Respirable Coal Mine Dust, Including Continuous Personal Dust Monitors published by the Department of Labor in the Federal Register on May 1, 2014 (79 Fed. Reg. 24813 et seq.), for operators that demonstrate financial need as determined by the Secretary: Provided further , That notwithstanding 31 U.S.C. 3302 , not to exceed $750,000 may be collected by the National Mine Health and Safety Academy for room, board, tuition, and the sale of training materials, otherwise authorized by law to be collected, to be available for mine safety and health education and training activities: Provided further , That notwithstanding 31 U.S.C. 3302 , the Mine Safety and Health Administration is authorized to collect and retain up to $2,499,000 from fees collected for the approval and certification of equipment, materials, and explosives for use in mines, and may utilize such sums for such activities: Provided further , That the Secretary is authorized to accept lands, buildings, equipment, and