This is the difference between Republicans and Democrats. Republicans created this expiration, the Dems are closing it:

Congress took the first steps Tuesday to ensure that people who registered for the national Do Not Call list won’t be inundated next year with telemarketing calls at dinnertime.

At separate House and Senate committee sessions, lawmakers passed legislation that makes most of the 145 million phone numbers on the list permanent by eliminating a five-year expiration date established by the Federal Trade Commission, which administers the program.