Article 4 - Commission Implementing Regulation (EU) 2017/1570 of 15 September 2017 amending Implementing Regulation (EU) 2017/366 and Implementing Regulation (EU) 2017/367 imposing definitive countervailing and anti-dumping duties on imports of crystalline silicon photovoltaic modules and key components (i.e. cells) originating in or consigned from the People's Republic of China and repealing Implementing Decision 2013/707/EU confirming the acceptance of an undertaking offered in connection with the anti-dumping and anti-subsidy proceedings concerning imports of crystalline silicon photovoltaic modules and key components (i.e. cells) originating in or consigned from the People's Republic of China for the period of application of definitive measures