Balls must comply with the IFAB Laws of the Game as well as with the UEFA Equipment Regulations.
For qualifying competition matches, the host association must provide the visiting team with balls of excellent quality for its training session on the day before the match as well as for warming up before the match. These balls must be of the same type and quality as those used for the match.
For matches and official training sessions during the final tournament, balls are supplied exclusively by UEFA.
For all matches, a multi-ball system must be used. The system implemented must be in accordance with the protocol and guidelines issued by the UEFA administration.
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.