Changes to Regulation (EU) 2017/1485 establishing a guideline on electricity transmission system operation
EU Regulation 2017/1485
Made by Electricity Network Codes and Guidelines (System Operation and Connection) 2019
441 changes. All changes to Regulation (EU) 2017/1485 establishing a guideline on electricity transmission system operation
From legislation.gov.uk's record of changes, the official one: see it there.