Are you moving, has your bank account changed, do you want to stop your donation or cancel your subscription? For all changes, you can use the form below. If you prefer to arrange it via the telephone, you can call during office hours: 31 222-317741. If you want to do it in writing, send it to Ecomare, to the notice of Vriendenadministratie, Ruijslaan 92, 1796 AZ De Koog, the Netherlands, or per email via vrienden@ecomare.nl. You will also receive an acknowledgement.