B2BCatalogSupplierCode

b2bOpticLensCatalog→header→supplier b2bOpticLensCatalog→header→subSupplier

type	value
pattern	[A-Z]{2,3}

<xs:simpleType name="B2BCatalogSupplierCode">
  <xs:restriction base="xs:string">
    <xs:pattern value="[A-Z]{2,3}"/>
  </xs:restriction>
</xs:simpleType>