Answer
Non-legislative acts the Commission may adopt to supplement or amend non-essential elements of a legislative act, where empowered to do so.
💡Parliament and Council can object or revoke the delegation. Essential elements may NOT be delegated.
Consolidated TFEU (EUR-Lex) — eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:12016E/TXT