In the context of this Convention, let's define a few terms:

• "authorisation" refers to permission granted by the customs authorities that enables the release of goods for free movement at the customs office in charge of the place of establishment of the authorisation recipient. This holds true regardless of the customs office where the goods are presented.
• "Authorising Customs Authorities" are the customs authorities of the Member State participating in the Convention. They have the authority to release goods for free circulation at the customs office responsible for the location where the authorisation is held, no matter which customs office the goods are shown to.
• "Assisting Customs Authorities" are part of the same participating Member State's customs authorities and they aid the Authorising Customs Authorities in supervising the procedure and releasing the goods.
• "import duties" are the customs charges incurred when importing goods.
• "collection costs" are the amounts Member States are allowed to keep as per Article 2(3) of the Decision or an equivalent provision from any future decision that might replace it.