The Food and Drug Administration (FDA) is announcing the availability of the guidance entitled “Types of Communication During the Review of Medical Device Submissions.” The purpose of this guidance is to update the Agency’s approach to Interactive Review and other additional types of communication, to reflect FDA’s implementation of the Medical Device User Fee Act of 2007 (MDUFA II)Commitment Letters and of undertakings agreed to in connection with the Medical Device User Fee Amendments of 2012 (MDUFA III). These new Agency communication commitments are to increase the efficiency of the review process.