Chapter 87a. National Do-Not-Call Registry 15 U.S. Code §6151. National Do-Not-Call Registry 15 U.S. Code §6152. Telemarketing Sales Rule; do-not-call registry fees 15 U.S. Code §6153. Federal Communications Commission do-not-call regulations 15 U.S. Code §6154. Reporting requirements 15 U.S. Code §6155. Prohibition of expiration date