(a) Notification.—
(1) In general.—Subject to subsection (b), the Commandant shall notify the appropriate committees of Congress and the Coast Guard Office of Congressional and Governmental Affairs not later than 3 full business days in advance of the Coast Guard—
(B)
making or awarding a contract, other transaction agreement, or task or delivery order for the Coast Guard on the multiple award contract, or issuing a letter of intent totaling more than $4,000,000;
(b) Exception.—If the Commandant determines that compliance with subsection (a) would pose a substantial risk to human life, health, or safety, the Commandant—