47 CFR Part 64: Appendix A: Telecommunications Service Priority (TSP) System for National Security Emergency Preparedness (NSEP) [open pdf - 44KB]
"This appendix establishes policies and procedures and assigns responsibilities for the National Security Emergency Preparedness (NSEP) Telecommunications Service Priority (TSP) System. The NSEP TSP System authorizes priority treatment to certain domestic telecommunications services (including portions of U.S. international telecommunication services provided by U.S. service vendors) for which provisioning or restoration priority (RP) levels are requested, assigned, and approved in accordance with this appendix."
Federal Communications Commission. http://www.fcc.gov/oet/network/
47 CFR, Chapter 1, Part 64