Article 50.

1.

The party responsible for paying the tax shall submit a declaration in the course of the months of April, July, October and January concerning the tax owed for the prior quarter.

2.

The party responsible for paying the tax shall pay the tax for the prior quarter before 10 May, 10 August, 10 November and 10 February. The party responsible for paying the tax shall also, before 10 December of each year, make an advance payment of the tax for the fourth quarter of that year. This advance payment shall be set at sixty-six per cent of the amount obtained by dividing the amount payable by the party responsible for paying the tax for the first three quarters by three. The resulting fixed sum shall be rounded down to the nearest ten. If based on the declaration relating to the fourth quarter it appears that the tax that is actually due is lower than the due advance payment, this advance payment is decreased by the tax that is actually due, but increased by legal late payment interest on the calculated difference, shall be repaid to the party responsible for paying the tax within ninety calendar days of receipt of the appropriately completed declaration relating to the fourth quarter. The advance payment shall not be payable if the party responsible for paying the tax provides proof before 10 December that they have ceased their taxed activity before the commencement of the fourth quarter.

3.

If the party responsible for paying the tax does not proceed with payment of the indicated amount, or if after control by the official charged with the collection and recovery of the tax it appears that the indicated amounts are incorrect, the official charged with the collection and recovery of the tax may claim a further amount from the party responsible for paying the tax.

4.

If the party responsible for paying the tax has to make payments for a number of quarters, the oldest debts shall be paid first and, in order, payment shall be made of administrative penalties, late payment interests and the principal sum.

5.

The Government of Flanders shall lay down the more specific rules for the declaration and payment of the tax.