What is schemeID?
When you include an identifier in an e-invoice (company registration number, VAT number, GLN, etc.), the receiver needs to know what KIND of identifier it is. The schemeID tells them.
For example, 12345678 could be:
The schemeID removes this ambiguity.
Common schemeID Values
For EndpointID (Peppol participants)
For Company ID
Common Errors
Missing schemeID
Many validators reject identifiers without schemeID — always include it.
Wrong schemeID
Using 0088 (GLN) for a KVK number will fail validation.