U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
The provisions of §§ 64.1600 and 64.1602 are effective April 12, 1995. The provisions of §§ 64.1601 and 64.1603 are effective December 1, 1995, except §§ 64.1601 and 64.1603 do not apply to public payphones and partylines until January 1, 1997.