Article 1 Basic principles

Approval for the international transport of goods under customs seal may be granted only to containers constructed and equipped in such a manner that:

1. (a)

   no goods can be removed from, or introduced into, the sealed part of the container without leaving visible traces of tampering or without breaking the customs seal;

2. (b)

   customs seals can be simply and effectively affixed to them;

3. (c)

   they contain no concealed spaces where goods may be hidden;

4. (d)

   all spaces capable of holding goods are readily accessible for customs inspection.