A reorganization plan transmitted by the President under section 903 of this title- (1) may, subject to section 905, change, in such cases as the President considers necessary, the name of an agency affected by a reorganization and the title of its head, and shall designate the name of an agency resulting from a reorganization and the title of its head; (2) may provide for the appointment and pay of the head and one or more officers of any agency (including an agency resulting from a consolidation