A booking chart for the following calendar year is circulated in agreed priority order towards the end of the year. Each owner has a priority for that year, and moves up a couple of places each year: after a year at the top of the list, the owner then starts at the bottom, and after six years the cycle begins again. Each owner can choose two weeks (separately or as a fortnight) in the ‘high season’ (April to October inclusive), and one week in the remainder of the year. By this route, thirty-six weeks are firmly booked before the year begins. Allowing for time for winter maintenance, the remaining fourteen weeks are booked with priority in reverse order to the original chart, so having last choice originally does have its compensations. These extra bookings are confirmed on the first day of the month before the month of the booking.