With net amount and simultaneous copy of the receipt

1. Thanks to the copy is always a copy of the receipt
2. Gross / Net and VAT amount on the receipt
3. Integrated turned bunder cardboard so that the written not by writing to all underlying receipts.

For other manufacturers always a carbon paper should be placed in between which lies only loosely and likes to be lost. All this is not the case here. Interesting to what you can make everything and with a receipt book. :-)