Payment of customs duty is performed at the post office or to the courier upon receipt. The basis for the payment is a customs receipt order.
The amount of the customs payment is indicated in the postal order form, which is attached to the international shipment. Upon receipt, passport data and TIN must be specified (for the citizens of Russia). Reason: Article 194 of 08/03/2018 No. 289-FZ.
Postal items from/to the EAEU countries are sent without paying customs duties and without filling out the UPU form (customs declaration CN 22 / CN 23, CP 72, E1).