 They provide a forum for discussing aging and mortality as well as domestic violence.ISNA-Canada, a separately-run but loosely affiliated Canadian non-profit entity, also certifies food service and consumer products companies as "Halal", and issues Islamic marriage certificates to couples with a marriage license who have performed the religious ceremony.Although only a small percentage of mosques are official members, mosque membership in ISNA is an important step for many small communities trying to grow.