(a) Public notification. Not later than 5 business days after the Secretary determines whether to certify an act as an act of terrorism, Treasury shall publish a statement and submit a notice to the Federal Register notifying the public of the Secretary's decision.

(b) Insurance supervisor notification. Not later than 5 business days after the Secretary determines whether to certify an act as an act of terrorism, Treasury shall notify in writing any relevant supervisory officials of the Secretary's decision.

(c) Congressional notification. Not later than 5 business days after the Secretary determines whether to certify an act as an act of terrorism, Treasury shall notify in writing the President of the U.S. Senate and the Speaker of the U.S. House of Representatives of the Secretary's decision.

(d) Rule of construction. If, in the discretion of the Secretary, circumstances relating to an act render timely notification by Treasury under this section impracticable, Treasury shall provide the notification as soon as practicable, in a manner the Secretary determines is appropriate.