; (II) state the specific roles and responsibilities of the relevant National Drug Control Program Agencies for implementing that strategy; and (III) identify the specific resources required to enable the relevant National Drug Control Program Agencies to implement that strategy. (ii) Specific content related to drug tunnels between the United States and Mexico The Southwest Border Counternarcotics Strategy shall include— (I) a strategy to end the construction and use of tunnels and subterranean passages that cross the international border between the United States and Mexico for the purpose of illegal trafficking of drugs across such border; and (II) recommendations for criminal penalties for persons who construct or use such a tunnel or subterranean passage for such a purpose. (C) Requirement for Northern Border Counternarcotics Strategy (i) Purposes The Northern Border Counternarcotics Strategy shall— (I) set forth the strategy of the Federal Government for preventing the illegal trafficking of drugs across the international border between the United States and Canada, including through ports of entry and between ports of entry on the border; (II) state the specific roles and responsibilities of each relevant National Drug Control Program Agency for implementing the strategy; (III) identify the specific resources required to enable the relevant National Drug Control Program Agencies to implement the strategy; (IV) be designed to promote, and not hinder, legitimate trade and travel