Home›Books›S. 471, the 900 Services Consumer Protection Act of 1991, and S. 1166, the Telephone Consumer Assistance ActS. 471, the 900 Services Consumer Protection Act of 1991, and S. 1166, the Telephone Consumer Assistance Actby United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Communications.No description available.Pay-per-call telephone servicesLaw and legislationCorrupt practicesTelephone