Tactics and duties for trench fighting
Chapter IV
The Relief
=Definitions and Principles=—Kinds—=Preliminary Dispositions for the Relief=—Time to Prepare—Preparation—Reconnaissance—=Relief Orders=—General—Battalion—=Movement of the Relief=—Departure— March to Rendezvous of Guides—Guides—March in the Boyaux— =Occupation of the Position=—Duties after 104