Balls must comply with the IFAB Laws of the Game as well as with the UEFA Equipment Regulations.
For qualifying competition matches, as well as for training sessions, balls of excellent quality must be provided by the host association. A minimum of 18 balls of the same type and quality as those used for the matches must be provided to each participating association for training.
For matches and official training sessions during the final tournament, balls are supplied exclusively by UEFA.
For the qualifying competition, a multi-ball system should be used at all matches in accordance with the protocol and guidance issued by the UEFA administration. For the final tournament, a multi-ball system is used at all matches.
The use of two-sided substitution boards (preferably electronic) is compulsory for all matches. For each match in the qualifying competition, the host association must ensure a minimum of two boards.