Knowledge base
Simply put, it's the submission of a customs declaration to customs authorities.
You may naturally ask: what exactly is a customs declaration?
A cargo customs declaration is a document containing detailed information about goods being imported or exported across the state customs border.
The declaration is filed to comply with legal obligations and to place goods under a customs procedure.
The declaration filing procedure is handled by the customs declarant or a customs representative acting on the declarant's behalf and instructions.