The Temporal Integrity Commission was a 29th century Federation agency tasked with protecting the timeline from temporal incursions and maintaining the integrity of the Temporal Prime Directive.
The Commission has (from time to time) enlisted the aide of Starfleet officers and personnel and in this video enlists the crew of the U.S.S. Enterprise NCC-1701-E to prevent the alterations brought by JJ Abrams and restore the prime timeline | STARFLEET INTELLIGENCE