COMMISSION IMPLEMENTING REGULATION (EU) 2021/16 of 8 January 2021 laying down the necessary measures and practical arrangements for the Union database on veterinary medicinal products (Union product database) ANNEX I Functionalities of the Union product database ANNEX II Data fields to record the information referred to in Article 55(2) of Regulation (EU) 2019/6 ANNEX III Data fields to be included in the Union product database in addition to the information referred to in Article 55(2) of Regulation (EU) 2019/6