Final answer:
The Telecommunications Act of 1996 adopted customer service standards and required cable companies to document compliance.
Step-by-step explanation:
The act that adopted customer service standards for the industry and required cable companies to document compliance is the Telecommunications Act of 1996. This act brought significant changes to the radio and television industries, allowing networks to purchase large numbers of cable stations. It also changed the role of the FCC from regulator to monitor and mandated certain requirements for cable systems, such as carrying local broadcast programming and having an equal employment opportunity program.