Prices are calculated on a ten-months basis.
The rates for the months of December and April (Christmas and Easter) are reduced by half.
Any change of registration must be announced on the 15th of the month to take effect the following month.
Payments must be made monthly and in advance, by the 5th of each month.
Occasional registrations are subject to availability. They must be made and paid for at the latest by the morning for the afternoon in question.