49 C.F.R. § 659.21 System security plan: general requirements.
Title 49 - Transportation
(a) The oversight agency shall require the rail transit agency to implement a system security plan that, at a minimum, complies with requirements in this part and the oversight agency's program standard. The system security plan must be developed and maintained as a separate document and may not be part of the rail transit agency's system safety program plan. (b) The oversight agency may prohibit a rail transit agency from publicly disclosing the system security plan. (c) After approving the system security plan, the oversight agency shall issue a formal letter of approval, including the checklist used to conduct the review, to the rail transit agency.
Title 49: Transportation
PART 659—RAIL FIXED GUIDEWAY SYSTEMS; STATE SAFETY OVERSIGHT
Subpart C—Role of the State Oversight Agency
§ 659.21 System security plan: general requirements.