>https://www.brennancenter.org/analysis/emergency-powers
More info on the 123 national emergency powers at POTUS's disposal
NOTABLE AF
The 2 US codes (powers given to POTUS through declaring a national emergency) Trump will use for legal cover in using M to build the wall are below:
33 U.S. Code § 2293, Reprogramming during national emergencies
>a) Termination or deferment of civil works projects; application of resources to national defense projects
>In the event of a declaration of war or a declaration by the President of a national emergency in accordance with the National Emergencies Act [50 U.S.C. 1601 et seq.] that requires or may require use of the Armed Forces, the Secretary, without regard to any other provision of law, may (1) terminate or defer the construction, operation, maintenance, or repair of any Department of the Army civil works project that he deems not essential to the national defense, and (2) apply the resources of the Department of the Army’s civil works program, including funds, personnel, and equipment, to construct or assist in the construction, operation, maintenance, and repair of authorized civil works, military construction, and civil defense projects that are essential to the national defense.
>(b) Termination of state of war or national emergency
>The Secretary shall immediately notify the appropriate committees of Congress of any actions taken pursuant to the authorities provided by this section, and cease to exercise such authorities not later than 180 calendar days after the termination of the state of war or national emergency, whichever occurs later.
10 U.S. Code § 2808, Construction authority in the event of a declaration of war or national emergency
> (a) In the event of a declaration of war or the declaration by the President of a national emergency in accordance with the National Emergencies Act (50 U.S.C. 1601 et seq.) that requires use of the armed forces, the Secretary of Defense, without regard to any other provision of law, may undertake military construction projects, and may authorize the Secretaries of the military departments to undertake military construction projects, not otherwise authorized by law that are necessary to support such use of the armed forces. Such projects may be undertaken only within the total amount of funds that have been appropriated for military construction, including funds appropriated for family housing, that have not been obligated.
>(b) When a decision is made to undertake military construction projects authorized by this section, the Secretary of Defense shall notify, in an electronic medium pursuant to section 480 of this title, the appropriate committees of Congress of the decision and of the estimated cost of the construction projects, including the cost of any real estate action pertaining to those construction projects.
>(c) The authority described in subsection (a) shall terminate with respect to any war or national emergency at the end of the war or national emergency.