Consignment number examples:
Domestic Parcels: 99.00.123456.12345678
Domestic Letters: 98.00.123456.12345678
International Letters: RY123456789CH
International Parcels: CE123456789CH
Domestic Courier: 97.00.123456.12345678
International Courier: TT123456789CH
Domestic Palettes (Letters, catalogues, telephone directories): 91.02.1234.12.123456