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Scheme 0248 and the VATIN

Identifier Scheme — 0248​

Oman uses scheme 0248 (Oman VATIN) for participant identification, and the identifier keeps its OM prefix.

# Oman participant
participant = {
    "scheme": "0248",
    "identifier": "OM1100012345",
    "name": "Oman Trading Company LLC",
    "country": "OM"
}

Peppol ID Format​

0248:OM<10-digit-VATIN>
Not 9959

Earlier revisions of this page said 9959. That is wrong for Oman and it is a costly mistake: 9959:1100012345 is not a registered participant, so the SMP lookup returns nothing and delivery fails with a transport error rather than a validation message. The authoritative sources are register-oman-tsmp.py (“Scheme : 0248 (Oman VATIN). Participant id: iso6523-actorid-upis::0248:OM<VATIN>”), the OTA sample invoices, and the live SMP registrations.

Example: 0248:OM1100012345

SMP Lookup​

# Verify an Oman participant exists on Peppol
curl "https://smp-test.goroute.ai/iso6523-actorid-upis::0248:OM1100012345"   # registered, resolves
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