(h) All "dead" lines will be reeled up at once.
(i) Every man is to know the position of his platoon commander's shelter and of the company headquarters.
(j) At least two men per section of the support and reserve companies must be able to act as guides to all the company headquarters of the battalion.
(k) All officers must know the shortest route from their own headquarters to those of the company on their flanks and to their own battalion headquarters.
(l) It is most important to maintain always visual signaling communications from the front line as far back as brigade headquarters. Brigade signal officers will be responsible to brigades that this is done. One message by day and one by night will be sent daily over each visual signaling route. These will be checked by the brigade staff at least once a week to insure that they are transmitted promptly and accurately.
(m) Pigeons when relieved by fresh ones will be flown back, each with a test message to brigade headquarters. Times taken from battalion headquarters to brigade headquarters will be checked in each case by the brigade signal officer, and once a week at least by the brigade staff.
(n) The brigade signal section while with the brigade forms an integral part of brigade headquarters. The brigade commander is responsible to higher authority for the communications within his brigade sector and must have full knowledge of them. He exercises control over his signals through the brigade signal officer. It is the duty of the brigade signal officer to bring to the notice of the brigade commander, as well as of the officer commanding divisional signal company, any defects which exist or any improvements which can be made.
16. RATION PARTIES FOUND FROM FRONT TRENCHES.—Usually rations and stores will be carried up to the trenches by supports and reserves. If this is not possible, and it is necessary that men from the front trenches have to be employed, not more than 10 per cent of the men in the firing line are to be away from the trenches at the same time.
17. FIRING AT AEROPLANES.—Will not be permitted except by order of an officer.
18. RIFLES, EQUIPMENT, AND AMMUNITION (Carrying and wearing of).—(a) Equipment will always be worn in the front trenches. Haversacks, water bottles, packs, and entrenching tools need not be worn. In the support and reserve trenches equipment will be worn at the discretion of the brigade commander.