108 STAT. 872 PUBLIC LAW 103-272—JULY 5, 1994 (B) rejected in any part by the Secretary, and a summary of the reasons for each rejection. (10) a compilation of agreements made under section 20105(c) of this title that were— (A) in effect; or (B) terminated in any part by the Secretary, and a summary of the reasons for each termination. (11) recommendations for legislation the Secretary considers necessary to strengthen the national railroad safety program. §20117. Authorization of appropriations (a) GENERAL. —(1) Not more than the following amounts may be appropriated to the Secretary of Transportation to carry out this chapter: (A) $68,283,000 for the fiscal year ending September 30, 1993. (B) $71,690,000 for the fiscal year ending September 30, 1994. (2) Not more than $5,000,000 may be appropriated to the Secretary for the fiscal year ending September 30, 1993, to carry out section 20105 of this title. (b) GRADE CROSSING SAFETY.— Not more than $1,000,000 may be appropriated to the Secretary for improvements in grade crossing safety, except demonstration projects under section 20134(c) of this title. Amounts appropriated under this subsection remain available until expended. (c) RESEARCH AND DEVELOPMENT, AUTOMATED TRACK INSPEC- TION, AND STATE PARTICIPATION GRANTS. —Amounts appropriated under this section for research and development, automated track inspection, and grants under section 20105(e) of this title remain available until expended. (d) MINIMUM AVAILABLE FOR CERTAIN PURPOSES. — At least 50 percent of the amounts appropriated to the Secretary for a fiscal year to carry out railroad research and development programs under this chapter or another law shall be available for safety research, improved track inspection and information acquisition technology, improved railroad freight transportation, and improved railroad passenger systems. SUBCHAPTER II—PARTICULAR ASPECTS OF SAFETY Regulations. § 20131. Restricted access to rolling equipment The Secretary of Transportation shall prescribe regulations and issue orders that may be necessary to require that when railroad carrier employees (except train or yard crews) assigned to inspect, test, repair, or service rolling equipment have to work on, under, or between that equipment, every manually operated switch, including each crossover switch, providing access to the track on which the equipment is located is lined against movement to that track and secured by an effective locking device that can be removed only by the class or craft of employees performing the inspection, testing, repair, or service.