Division 18 Recommended practice
United Kingdom
When all the information required by the customs authorities is available from the relevant customs declaration form C 1 or C 2/CP 3 and supporting documents, postal items should be cleared against those documents and no separate goods declaration should be required except in the case of commercial consignments having a value exceeding an amount specified in national legislation and in the case of goods intended to be cleared under a customs procedure other than home use.