; and (2) be determined based on the Secretary’s assessment of the level of risk of visa overstays for that category. (c) Adjustment of amount of bond On an annual basis, the Secretary shall review, and, as appropriate, adjust the amounts of the bonds described in subsection (b). (d) Payment of bond An alien required to post the bond under subsection (a) shall post such bond— (1) in electronic form; and (2) with a bonding agent designated by the Secretary as qualified to hold such bond. (e) Release of bond The Secretary shall authorize a bonding agent to release a bond— (1) to an alien required to post such bond— (A) after receiving a notification from the United States embassy or consulate in the alien’s country of origin that such alien departed the United States and returned to such country of origin; or (B) if such alien changed or adjusted their status to an immigration status not required to post a bond under this section; and (2) to the E-bond Enforcement Fund under section 2304 upon a determination by the Secretary that an alien— (A) overstayed their visa