17 C.F.R. § 260.7a-19
Margin for binding
The application, statement or report, including all amendments and, where practicable, all papers and documents filed as a part thereof, shall have a back or stitching margin of at least 1
The application, statement or report, including all amendments and, where practicable, all papers and documents filed as a part thereof, shall have a back or stitching margin of at least 1