(a) The railroad shall maintain at a designated office on the railroad—

1. (1) A current copy of each FRA-approved PTCSP that it holds;
2. (2) Adequate documentation to demonstrate that the PTCSP meets the safety requirements of this RPA, including the risk assessment;
3. (3) An Operations and Maintenance Manual, pursuant to § 299.215; and
4. (4) Training and testing records pursuant to § 236.1043(b) of this chapter.

(d) After the PTC system is placed in service, the railroad shall maintain a database of all safety-relevant hazards as set forth in its PTCSP and those that had not been previously identified in its PTCSP. If the frequency of the safety-relevant hazards exceeds the threshold set forth in its PTCSP, then the railroad shall—

1. (1) Report the inconsistency in writing to FRA's Secure Information Repository at https://sir.fra.dot.gov, within 15 days of discovery;
2. (2) Take prompt countermeasures to reduce the frequency of each safety-relevant hazard to below the threshold set forth in its PTCSP; and
3. (3) Provide a final report when the inconsistency is resolved to FRA's Secure Information Repository at https://sir.fra.dot.gov, on the results of the analysis and countermeasures taken to reduce the frequency of the safety-relevant hazard(s) below the threshold set forth in its PTCSP.