Section 31.41.01.504 - PAYTELEPHONE APPROVED INSTRUMENTS - OPERATION OF INSTRUMENTS01.Registered or Exempt Instruments. All PSPs connecting pay telephones to the network must connect pay telephone instruments that:a. Are registered under 47 CFR Part 68 of the Federal Communications Commission (FCC) Rules and Regulations (October 1, 2000) and comply with all Americans with Disabilities Act (ADA) requirements listed in the Code of Federal Regulations at 28 CFR Part 36 (July 1, 2000) and the Americans with Disabilities Act Accessibility Guidelines for Buildings and Facilities ("ADAAG") (July 1, 2000).b. If not registered, are connected behind a protective coupler registered under Part 68 of the FCC Rules and Regulations; orc. Are exempted from registration by the FCC. See Title 47, Part 68.1 through 68.318 (October 1, 2000).02.Instruments for the Hearing Impaired. All owners of PSPs connecting pay telephones to the network must connect pay telephones that comply with the requirements of the Telecommunications for the Disabled Act of 1982 (January 3, 1983) and 47 CFR. Parts 68.112 and 68.316 (October 1, 2000) (which address access to the handicapped and hearing aid compatibility).Idaho Admin. Code r. 31.41.01.504