and registrations. Inaccurate and false claims of use include any declaration of use by a trademark applicant or registrant that cannot be supported by use in commerce as defined in section 45 of the Trademark Act of 1946 ( 15 U.S.C. 1127 ) or the regulations relevant to the definition of specimens under section 1 of the Trademark Act of 1946 ( 15 U.S.C. 1051 ), as applicable. The study shall cover the period from 18 months after the date of enactment of this Act to 30 months after the date of enactment of this Act. (b) Contents of study In conducting the study under subsection (a), the Comptroller General shall assess the following: (1) With respect to sections 16A and 16B of the Trademark Act of 1946, as added by section 5— (A) the number of petitions filed under each such section that relate to proceedings that were not instituted, or were instituted and have reached their conclusion