Who is affected and how:

• Vessel operators and maritime industry participants: Must ensure ship manifests meet the updated statutory rules; may need to change paperwork and internal procedures.
• Aircraft operators and air carriers: New or clarified legal definition of "aircraft" and updated manifest rules mean operators must confirm their arrival documentation meets the statute.
• Commercial motor vehicle operators and other land-based carriers that cross into the U.S.: Must follow the same manifest standards for vehicles arriving by land or ferry where manifests are required.
• Port authorities and customs-processing agencies (including U.S. Customs and Border Protection): Will apply the updated wording and definition when reviewing manifests and making public-disclosure decisions; may need to update guidance and review procedures.

Overall effect:

• Mostly administrative and compliance-focused. Regulated transport operators will likely need to review and, where necessary, adjust manifest formats, data fields, and internal processes to match the statute’s requirements. The changes are effective quickly (30 days), so affected parties may need rapid compliance checks and minor operational adjustments. The statute as summarized does not create new funding, major program changes, or broad new mandates on state or local governments.