- Cash book 29.7x21cm 50 duplicate paper - Dutch. *In the cash book you can record transactions chronologically (income, expenses) and give them to a third party (bookkeeper, accountant) while retaining a copy. *50 numbered sheets in 2 copies (1 original + 1 copy). *The 1st sheet is micro-perforated and is easy to tear out, the 2nd sheet remains in the booklet. *With this notebook in a very large, horizontal format, you can neatly pass on accounting or other information in columns and keep a copy yourself.