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In this task, you are provided with an article about the legal acts. Your task is to generate a headline for that article.

The first subparagraph of Article 4 (1) of Regulation (EEC) No 1594/70 is hereby amended to read as follows:'1. Acidification of the products mentioned in Article 20 (1) and (2) of Regulation (EEC) No 816/70 may be carried out with tartaric acid only.' This Regulation shall enter into force on the day following its publication in the Official Journal of the European Communities.This Regulation shall be binding in its entirety and directly applicable in all Member States.
Output:
Commission Regulation amending Regulation (EEC) No 1594/70 as regards the acidification of certain wines and wine products