The Court of Justice of the European Union (CJEU) held that city cards sold by a Swedish company to tourists who visit Stockholm are classified as “multi-purpose vouchers” for purposes of the EU Voucher Directive 2016/1065 of 27 June 2016, which has applied to EU Member States since 1 January 2019.
Source: KPMG
See also ECJ C-637/20 (DSAB Destination Stockholm) – Decision – City card is a multi-purpose voucher