Theactivityoftheassociationmaybesupportedbymeansofmembershipor donations.Bothmembership feesanddonationsaretaxdeductible.Donations withoutaspecialdedicationinuretothebenefitoftheassociation’sgeneral activity,notablyofitspubliccommunications.Donationswhicharededicatedto specificprojectsandresearchareas,respectively,oftheassociation,will exclusivelybespentforthisdedication(lessacost-coveringmanagement allowance). Theresearchreportsprovideinformationineachcaseabouttheuse of donations.Excerpt from the by-laws (§3):Eachcontractuallycapableindividualandeachentitymaybecomeafullmember,irrespectiveoftheplaceof residence,ofwork,orofthesitelocation,ifitiswillingandsufficientlyqualifiedtofosterthepurposeofthe association. Full members own a single vote.Individuals,entities,privatecompanies,firms,associationsaswellassocietieswithoutlegalcapacity (consortia)whichintendtopromotetheworkoftheassociationmaybecomesustainingmembers.Sustaining members do not own voting power.Applicationsformembershipareboundtothewrittenformandmustincludeacceptanceoftheassociation’s by-laws. The Executive Board or the General Meeting decide about the membership.