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. The balls provided for training must be of the same type and quality as those used for the matches.
For matches and training sessions during the final tournament, balls are supplied by UEFA.
The use of two-sided substitution boards (preferably electronic) is compulsory for all matches. For each match a minimum of two boards must be provided by the host association.