He added: "Once a match has started with the roof closed, that match would continue and would complete with the roof closed.
"It means that any Centre Court match, once started, ought to be able to finish."
Ian Ritchie, chief executive of the All England Club, said: "We'd prefer to play outdoors. If we can, we would prefer to keep the roof open as much as possible.
Looking down on Centre Court's new roof
"But, if we start with it shut, we will finish with it shut. The opening and closing is at the discretion of the referee, as at other Grand Slams."
Tournament referee Andrew Jarrett will consider the weather conditions at around 45 minutes before play is due to start and then decide whether to start play with the roof closed.
The roof will take 8-10 minutes to close and a further 20-30 minutes is required for the air management system to create the correct conditions.
While the roof is being deployed, the existing court covers will be pulled across the playing surface.
A test event for the new roof involving Andre Agassi, Steffi Graf, Tim Henman and Kim Clijsters will take place on 17 May.
Roof will improve atmosphere - Henman
The rebuilt Centre Court has an increased capacity of 15,000 from 13,800, while a new 4,000-capacity Court Two will also open for the first time, taking the total ground capacity up to 40,000 spectators.
Wimbledon also confirmed that the total prize money on offer has increased by 6.2% to £12.55m, with the men's and women's singles champions collecting £850,000 each - an increase of 13.3% on last year.
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