Communication on tariff classification of goods - what is it?

After the publication of a certain communication in the EU Official Journal, Binding Tariff Information (BTI) decisions must be revoked if they no longer correspond to the interpretation of the customs nomenclature according to the specified international tariff measures. The latest communication was published at the end of October this year. Let's take a look at the current issues that are important for both business and customs. For example, how should household plastic clothes hangers be classified? Or what about digital smart pen classification?