; and (2) information on possible changes to other State and Federal laws, regulations, directives, policies, and procedures that would reduce risks identified in such assessment. (b) Consultation In carrying out the risk assessment required under subsection (a), the Secretary of Homeland Security shall consult with public and private sector stakeholders, privacy experts, and law enforcement experts. 404. Best practices to secure against vehicle-based attacks Not later than 180 days after the date of the enactment of this Act, the Secretary of Homeland Security shall disseminate best practices to public and private sector stakeholders regarding how to enhance transportation security against the threat of a vehicle-based terrorist attack.