; and (2) shall be approved in advance by the Commissioner of U.S. Customs and Border Protection to ensure that such courses satisfy the requirements for training under this section. (d) Assessment Not later than 2 years after the date of the enactment of this Act, the Comptroller General of the United States shall submit a report to the Committee on Homeland Security and Governmental Affairs of the Senate and the Committee on Homeland Security of the House of Representatives that assesses the training and education provided pursuant to this section, including continuing education. (e) Frequency requirements Training offered as part of continuing education under this section shall include— (1) annual courses focusing on the curriculum described in paragraphs (1) through (6) of subsection (b); and (2) biannual courses focusing on curriculum described in paragraphs (7) through (12) of subsection (b).