International collaboration and information sharing

The Secretary of Homeland Security, in consultation with Secretary of State, may, as appropriate, share with and receive from the governments of foreign countries that are allies of the United States, consistent with existing law (including contractual obligations), information with respect to— (1) shippers with a history of transporting illicit fentanyl, other synthetic opioids, and other narcotics and psychoactive substances, and precursors to such substances; and (2) best practices regarding the detection of such substances, including such substances moving through the mail.