(a) During the continuance of a war in which the United States is engaged, and when the provisions of this part are invoked, all carriers shall accord restoration priority assignments certified pursuant to this part priority over all other circuits.

(b) To promote the national interest and defense preparedness, carriers shall:

(1) Maintain such records of restoration priority assignments certified pursuant to this part as may be necessary to enable prompt implementation;

(2) Enter into agreements, to the extent possible, with their foreign correspondents to effect restoration of the foreign portion of leased international services in accordance with this part;

(3) Notify the Executive Agent of foreign correspondent procedures affecting Federal Government services that are not reasonably consistent with the priority requirements of this part.