«Any reference that is not global or universal is, by definition, local. » Definition by whom? https://wiki.openstreetmap.org/wiki/Key:ref int_ref=* - international reference numbers or codes; nat_ref=* - national reference numbers or codes; reg_ref=* - regional reference numbers or codes; loc_ref=* - local reference numbers or codes. XWPR & similar official refs isn't a local reference.