- NOA stands for notification prior to arrival of goods
- C646 is a notification of arrival of certain goods entering the Union
- C646 applies to goods that do not fall under Articles 47 and 48 of Regulation EU 2017 625
- C646 is defined in Commission Delegated Regulation EU 2024 2104
Source: sede.agenciatributaria.gob.es
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.
