The customer can make a complaint by mail to the address:
MYRTILLE - URSZULA RYBAK
Swietojanska 124 St., Wyszkow 07-200
When filing a complaint by mail, send the defective product along with
with the completed complaint application to Myrtille address
Ul. Swietojanska 124, Wyszkow 07-200
If you do not have a receipt, you must provide a statement of account confirming the product purchase transaction.
Myrtille will process the complaint within 14 days of receipt.
Detailed rules and regulations for complaints can be found here.