Add chapters on code lists and add PEPPOL/BII rules to list of validation rules

[SiwMeckelborg]

Please make sure this box is checked before submitting your issue - thank you!

• [X] Issue is related to guides or validation part of EHF in post-award.

Issues related to PEPPOL BIS or rules part of PEPPOL BIS must be sent to rfc@peppol.eu.

Your issue here: Add chapter in each EHF guide for Code lists used Add PEPPOL and BII rules to chapters on validation rules

[klakegg]

Code lists are provided as part of the syntax binding.