; and (2) subject to availability of appropriations, provide such technical assistance to requesting owners and operators of surface transportation assets. (b) Best practices Not later than one year after the date of the enactment of this Act, the Secretary of Homeland Security shall publish on the Department’s website and widely disseminate, as appropriate, best practices for protecting and enhancing the resilience of public areas of transportation facilities (including facilities that are surface transportation assets), including associated frameworks or templates for implementation. Such best practices shall be updated periodically. 403. Firearms and ammunition in public areas (a) Review Not later than one year after the date of the enactment of this Act, the Secretary of Homeland Security shall submit to the appropriate congressional committees a security risk assessment of State and Federal laws, regulations, directives, policies, and procedures regarding the open or concealed carrying in public areas of a transportation facility or on a transportation system of a firearm and ammunition by an individual not involved in law enforcement operations. Such assessment shall include— (1) as appropriate, proposals to modify such regulations, directives, policies, or procedures within the jurisdiction of the Department of Homeland Security to reduce risks identified in such assessment