S. 21. When the Battalion, halted in Line, is to form Square on a named Company, or on two centre Sub-divisions.
1. If on a Central company.
| Column at quarter distance on the right (or left) centre Company—Threes, right and left shoulders forward—Double march, | When the Companies reach their places in Column, they receive successively Threes right (or left) shoulders forward—Halt, Dress. |
| Form square—Quick march. When the Second Company has closed upon the front Company, which stands fast— Sections outwards. | The two rear Companies close up, and form the rear face of the Square, receiving Halt—Right about face. The remaining Companies wheel outwards by Sections, the rear Sections closing to the front, after the wheel. |
2. If on a Flank Company, and to a flank.
| Square on the right (or left) Company—Companies right (or left) shoulders forward—Double march—Forward. | Leading Company—Halt. Second Company closes on it—Halt. Remainder (except the two last Companies), as they successively arrive at Quarter distance— Sections outwards. Two last Companies when closed up—Halt—Right about face. |
3. When the Square is to resist Cavalry.
| Prepare for Cavalry —Ready. *Kneeling ranks—Ready— Present—Load. Prepare for Cavalry (or shoulder arms). | The Kneeling ranks do not cock until required to fire. The Standing ranks fire by Files. * The Kneeling ranks, when required to fire a volley. |
4. To reduce the Square.
| Re-form column. Quick march. | Rear sections of side Faces step back to wheeling distance, pivot men facing to their proper front, and at Quick march wheel backwards—Halt, Dress. Front Company advances to quarter distance—Halt, Dress. Two rear Companies retire—Halt, Front, Dress. |