CFR › Title 47 › Part 51 › §51.147 CFR §51.1Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Basis. These rules are issued pursuant to the Communications Act of 1934, as amended.(b)Purpose. The purpose of these rules is to implement sections 251 and 252 of the Communications Act of 1934, as amended, 47 U.S.C. 251 and 252.