elements of the vetted Syrian opposition have been trained and equipped under such authority, including the oversight of equipment provided under such authority and the activities conducted by such vetted Syrian opposition forces. (D) An explanation of the processes and mechanisms for local commanders of the vetted Syrian opposition to exercise command and control of the elements of the vetted Syrian opposition after such elements of the vetted Syrian opposition have been trained and equipped under such authority. (E) An explanation of complementary local governance and other stabilization activities in areas in which elements of the local internal security forces trained and equipped under such authority will be operating and the relation of such local governance and other stabilization activities to the oversight of such security forces. (c) Additional limitations on use of funds during fiscal year 2019 (1) Certifications in connection with use of funds Not later than 120 days after the date of the enactment of this Act, and every 120 days thereafter, the Secretary shall submit to the congressional defense committees a written certification on the following: (A) Whether, during the 120-day period ending on the date of the certification, demonstrable progress was made— (i) to retake control of territory in Syria from the Islamic State of Iraq and Syria (ISIS)