In order to be eligible to participate in the competition, players must be registered with UEFA to play for a club within the deadlines set out in these regulations, and must fulfil all the conditions set out in the following provisions.
Each player must be duly registered with her national association as playing for the club concerned in accordance with the association’s own rules and those of FIFA, notably the FIFA Regulations on the Status and Transfer of Players.
Each player taking part in the competition must be in possession of a player registration licence issued by the player's association or a valid passport or identity card, each containing the player's photograph and full date of birth (day, month, year). The referee or the UEFA match delegate may ask to see the passports/identity cards of the players listed on the match sheet.
Players who are 16 years of age by the end of the calendar year when the match is played are eligible to play.
All players must undergo a medical examination to the extent provided for in the UEFA Medical Regulations.
A player may not play in the UEFA Women's Champions League or UEFA Women's Europa Cup for more than one club in a single season. Exceptionally, a player who has been fielded in the first, second or third qualifying round of the UEFA Women's Champions League or the first qualifying round of the UEFA Women's Europa Cup is entitled to play for another club in the UEFA Women's Champions League as from the league phase or for another club in the UEFA Women's Europa Cup as from the second qualifying round. As from the quarter-finals, players can be registered in accordance with Article 28. A substitute player who has not been fielded is entitled to play for another club competing in the UEFA Women's Champions League or UEFA Women's Europa Cup in the course of the same season, provided that this player is registered with the UEFA administration in accordance with the present regulations.
The UEFA administration decides on questions of player eligibility. Challenged decisions are dealt with by the UEFA disciplinary bodies.