; and (B) not more than ten entities described in paragraph (2) of such subsection participate in the pilot program; (2) provide for the participation of each of such categories of entities on a voluntary basis; and (3) continue the pilot program for a period of not less than one and not more than five years after the date on which the Secretary publishes the Federal Register notice required pursuant to subsection (a)(2). (e) Report required Not later than 180 days after the termination of the pilot program under subsection (d)(3), the Secretary of Homeland Security shall submit to the appropriate congressional committees a report on the findings of, and any recommendations arising from, the pilot program relating to the participation in CTPAT of entities described in subsection (b), including an assessment of participation by such entities. (f) Report on effectiveness of CTPAT (1) In general Not later than 18 months after the date of the enactment of this Act, the Comptroller General of the United States shall submit to the appropriate congressional committees a report assessing the effectiveness of CTPAT. (2) Elements The report required by subsection (a) shall include the following: (A) An analysis of— (i) security incidents in the United States cargo supply chain during the five-year period preceding submission of the report that involved criminal activity, including drug trafficking, human smuggling, or terrorist activity