Clear and positive rules for composition and proof reading are needed in printing offices to prevent confusion and unnecessary delay and expense. Inflexible rules for style in all works can not be given, but for the general work of the Government Printing Office the rules herein contained will be observed. When important changes are to be made, written or printed instructions will be furnished or there will be a special preparation of copy.

All persons connected with the typographical divisions of this office are requested to preserve this book and study carefully and well the rules and suggestions offered for their guidance.

Department editors are requested to make their copy conform as nearly as possible to the style here presented, and to specify fully when sending work to this office any general deviation therefrom that may be desired.