If you are printing MaxiCodes, and verify that they are constructed correctly with a MaxiCode Verifier (also known as a MaxiCode Checker).
Every MaxiCode in mode 2 or 3 contains a Structured Carrier Message with important information about the package. This includes information about the mode in use, postal code, country code and class of service code. Make sure the code will scan and the Structured Carrier Message is correct through barcode verification.
The following Webscan products can verify MaxiCodes.