(a) To be eligible to implement a Stage 3 noise or access restriction under this subpart, an airport operator shall have the restriction contained in an agreement as defined in §161.101(b) of this part.

(b) An airport operator may not implement a restriction pursuant to an agreement until the notice and comment requirements of §161.103 of this part have been met.

(c) Each airport operator must notify the Federal Aviation Administration of the implementation of a restriction pursuant to an agreement and must include in the notice evidence of compliance with §161.103 and a copy of the signed agreement.