All necessary steps shall be taken to ensure that products traded under cover of a proof of origin or a supplier's declaration and which in the course of transport use a free zone situated in their territory are not substituted by other goods and do not undergo handling other than normal operations designed to prevent their deterioration.
I gcás táirgí atá á dtrádáil faoi chlúdach cruthúnais ar thionscnamh agus atá ag dul, le linn a n-iompair, trí shaorchrios ina gcríoch, déanfar gach beart is gá chun a áirithiú nach gcuirfear earraí eile ina n-ionad agus nach ndéanfar láimhseáil orthu seachas gnáthoibríochtaí atá ceaptha meathlú orthu a chosc.