Pursuant to Article 37(6)(b) of Decree-Law No 201 of 6 December 2011, converted with amendments into Law No 214 of 22 December 2011, as amended by Article 16(1)(a-bis) and (a-ter) introduced by Law No 130 of 16 November 2018, converting Decree-Law No 109 of 28 September 2018, “the economic operators in the transport sector for which the Authority has actually started, in the market in which they operate, to exercise the responsibilities or perform the activities provided for by law” are required to pay an annual contribution to the Transport Regulation Authority (hereinafter also referred to as “the Authority”). The amount of the contribution is set yearly by an act of the Authority – which is subject to the Prime Minister’s endorsement, in agreement with the Minister of Economy and Finance. Such contribution shall not exceed 1 per thousand of the turnover derived from the exercise of the activities carried out in the last financial year.