Based on analysis of 4 sections of legislative text.

• Creates a temporary waiver process allowing agencies to waive coastwise endorsement rules when no compliant U.S. product carrier is available.
• Requesters must reasonably demonstrate unavailability and a good‑faith search for qualified product carriers.
• Agencies must approve or deny requests within 60 days or the request is deemed granted for 30 days.
• Waivers must last at least 30 days; extensions of at least 15 days must be issued promptly if conditions remain unchanged.
• Denials require a written findings report sent to the requester within 14 days.
• Agencies must notify Congress within 48 hours of receiving requests and within 48 hours of issuing waivers, including detailed necessity explanations.
• Defines key terms including “product carrier” and who qualifies as the “head of an agency.”
• Intended to provide rapid, temporary relief to supply chain disruptions when U.S.-flagged bulk carriers are not available.