all the operations which must be carried out by the person concerned and by the customs in order to comply with the statutory or regulatory provisions which the customs are responsible for enforcing i, the declaration of goods by the shipper and examination of them by the customs, kauba esitamine ja läbivaatus, dokumentide olemasolu ja autentsuse kontroll, tollideklaratsiooni esitamine ja aktsepteerimine, impordi- ja ekspordimaksude tasumine, isikute raamatupidamis- ja muude do