104104104cab Produkttechnik GmbH & Co KGAvailable check digits:MOD 10 (numerical data only).MOD 10 (for MSI is calculated different (Weighting 2/1 instead of 3/1).MOD 10 GP (2 of 5, Weighting 3/1 + 1, - German Parcel only).MOD 11 (numerical data only).MOD 16 (Codabar only).MOD 36 (CODE 39 only)MOD 43 (only Code 39 and Code 128).Code 128 and EAN/UCC-128 use automatically modulo 103 check digit.EAN-13, EAN-8, UPC-A, UPC-E and UPC-E0 use automatically modulo 10 check digit.POSTNET uses automatically modulo 10 (without weighting).DBP is the 12- or 14-digit barcode of the Deutsche Post AG. It uses automatically modulo 10 checkdigit with weighting 4/9. It is allowed to add dots and spaces as much as it might be required.Each barcode has own specs which are defined by the responsible organization who developed thespecific barcode type.We recommend to read and follow the barcode specifications of the responsible organisations.It is also recommended to test the printed barcodes for scanability !