If you lose your membership card, you will need to apply for a duplicate by providing the following documentation:
In case the member wishes to delegate to some other person the duplicate request, it is compulsory to enclose an authorization signed by the member and photocopy of both IDs.
If the loss take place during the procedures in relation with banks, a certificate from the bank must also be provided that proves and justifies that the payment has been made. In this case the duplicate is free.
If the owner of the membership card is underage, the application form must be signed by the legal guardian, attaching the original national ID card, or other identification document.
The application can be made in person at FC Barcelona Supporter Office. For further information, visit FCB Supporter Office website.