c. General procedure. (1) PRESCRIBED SUP- PLIES. Supplies to be carried by the regiment on individuals, company transport, and regimental trains are prescribed by Tables of Organization and Equipment and directives published by the War De- partment and theater of operations commanders.
(2) ECHELONS OF SUPPLY. The regimental supply service usually operates in three echelons during active operations: the regiment, the bat- talion, and the company. When the regiment is in garrison or camp, supply is usually direct from regiment to company; the battalion echelon as such is then inoperative but should function under the regimental S-4 for training purposes.
(3) PROCUREMENT AND DISTRIBUTION. The channels of supply, both for requisition and distribution, follow the channels of command during tactical operations. Regimental headquarters re- ceives requisitions from battalions and companies; it consolidates and forwards them to the appropriate section of the division special staff, which in turn forwards the requisitions to the appropriate army supply service and makes arrangements for the regi- ments to draw the supplies at army supply point(s). Upon notification by division as to when and where the supplies are to be drawn, the regiment, using its organic transportation, procures and transports them to the regimental area for distribution to sub- ordinate units. Battalion headquarters receives re- quests from companies and forwards them to the