5. Preliminary Movement.—Battalions will be moved up to the assembly positions on the night of the 24/25th September. The 1st Batt. Grenadiers will not move before 10 P.M.
Assaulting battalions will cut any wire in front of our trenches on the night of the 24/25th September. Wire-cutters can be drawn at Guillemont station if required. Units will report when they have reached their assembly positions as detailed above on the night of the 24/25th September; special relief of 1st Batt. Welsh Guards will be arranged direct between O.C. 4th Batt. Grenadiers, 2nd Batt. Scots Guards, and 1st Batt. Welsh Guards.
[The remainder of the orders referred to artillery and transport.]
E. C. Warner, Captain,
Brigade-Major, 3rd Guards Brigade.
The Z line referred to in these orders was a narrow trench about five feet deep, a little way behind the British front line.
Sept. 25.
The first objective or Green line was the last German trench running north and south, well in front of the villages. The second or Brown line was a sunken road with dug-outs about 800 yards
in rear of the first, and the third or Blue line was another sunken road some 600 yards farther back still. Zero hour was fixed for 12.35 P.M.
The following officers took part in the attack on September 25: