Spiral bound book. 2 x 50 sheets. Numbered. Self-copying with CopyStop. A4 portrait format. Exact and clear summary of all important data, e.g. income, expenses, VAT. Consecutive numbers pre-printed on the original and the copy. Two-colour, clear column layout. 1st and 2nd sheets printed. 1st sheet detachable by micro-perforation, 2nd sheet to be kept in the pad.