23. For grievances and disputes submitted as of 1 December 2002, the arbitrator referred to in section 11 and the arbitrator belonging to a group of arbitrators referred to in section 16 may claim a remuneration that differs from the remuneration set by sections 2 to 8 insofar as the arbitrator referred to in section 11 and the group of arbitrators transmit to the Minister of Labour, between 1 September and 30 September 2002, their tariff of remuneration which includes the elements referred to in the second paragraph of section 11 and in the first paragraph of section 16.