In some cases, the classification of a product under the TARIC does not only depend on its characteristics but also on its intended end-use. As a rule, this differentiation goes along with a duty suspension that is only granted if the product is actually put to this end-use.
Duty suspensions under end-use fall within the tariff measures you learned about in the Mapping Nomenclatures for International Trade unit. In the TARIC database, you can check for each TARIC code whether the duty suspension applies and, if so, to which end-use the duty suspension applies.

In the example, the duty suspension can only be claimed for ball bearings classified under TARIC code 8482101015 that are imported "for use in the manufacture of electromotors" with specific characteristics. If the ball bearings are imported for any other use, they must be classified under another TARIC code. In that case, the third country duty is levied unless another tariff measure applies like, for example, a tariff preference.
The duty suspension listed in the TARIC database is only available for products that have been placed under the end-use procedure. The end-use procedure is one of the special procedures defined in the Union Customs Code (UCC). Like other special procedures, it requires prior authorization from customs.

In the end-use procedure, the products to be imported are released for free circulation and change their customs status from non-Union goods to Union goods accordingly. Customs supervision of these products, however, does not end with their release for free circulation. These Union goods remain under customs supervision until they have been used for the purposes laid down for the application of the duty suspension. In our example, the imported ball bearings must thus have been used for the manufacture of specific types of electromotors.