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External
Domestic statistical & forms codes
For internal customs declarations, Weystadt Post, and Banque forms, the Kingdom uses short code WY and extended code WYM. This is a Crown coding circular under Controlled Disclosure — not a representation that ISO 3166 currently lists Weymarck.
| Code | Use |
|---|---|
| WY | Vehicle oval, forms header, postal tracking suffix |
| WYM | Extended domestic statistical code |
| WYK | Domestic currency code (Treasury) |
| .wm | Network suffix (RTO) |
Neighbour-facing documents often omit these codes and use corridor descriptors instead — consistent with Treaty of Seefeld cartographic practice.