Center Outfold Bulge; Passbook Squareness - IBM LB20 User Manual

6.4.3

Center Outfold Bulge

When the passbook is opened at the middle page, the height of the bulge at the
center outfold shall not exceed 0.01" (0.3 mm).
6.4.4

Passbook Squareness

When the passbook is closed, the edge of the shorter side must be at a 90° angle to
the longer side.
Specifications 6-8