The TARIC code is the code needed to import goods from outside the EU. TARIC stands for Integrated Tariff of the European Communities. The figures are a combination of the CN code and 2 additional digits, indicating the measures/obligations applicable to imports of that particular product. Some goods have multiple obligations. In this case, the TARIC code can be extended beyond 10 digits.
Do you have a product you don't immediately know all the regulations about? Then you can look it up in the customs database: https://ec.europa.eu/taxation_customs/dds2/taric/taric_consultation.jsp?Lang=nl