; and (3) any other contractor that has not been awarded a Department of Defense contract in the five-year period preceding the solicitation of sources by the Department of Defense. E Other matters 5851. Briefing on the redesignation of National Serial Number (NSN) parts as proprietary Not later than 60 days after the date of the enactment of this Act, the Secretary of Defense shall provide a briefing to the congressional defense committees identifying which National Serial Number (NSN) parts in the Defense Logistics Agency system have had their designation changed to proprietary over the previous 5 years, including a description of which parts were, or continue to be, produced by small businesses before the proprietary designation was applied, and the justification for the changes in designation. LX Other matters D Counterterrorism 6031. Establishing a coordinator for countering Mexico's criminal cartels (a) In general Not later than 30 days after the date of the enactment of this Act, the President, in consultation with the Secretary of Defense, the Secretary of State, the Secretary of Homeland Security, the Attorney General, and the Secretary of the Treasury, shall designate an existing official within the executive branch to serve as senior-level coordinator to coordinate, in conjunction with other relevant agencies, all defense, diplomatic, intelligence, financial, and legal efforts to counter the drug- and human-trafficking activities of Mexico's criminal cartels. (b) Retention of authority The designation of a coordinator under subsection (a) shall not deprive any agency of any authority to independently perform functions of that agency. (c) Quarterly reports (1) In general Not later than 180 days after the date of the enactment of this Act, and every 90 days thereafter through January 31, 2029, the coordinator designated under subsection (a) shall submit to the appropriate committees of Congress a detailed report on the following: (A) Efforts taken during the previous quarter to bolster defense