Team New Zealand will announce the protocols for the next America's Cup on Wednesday, creating a the blueprint for what teams are and aren't allowed to do.
Certain things have already been locked in, the most significant being the boat itself. The same foiling mono-hulls will be used, although expect major modifications.
The main difference will see only one boat allowed per team, which places extra pressure on designers to get it right the first time.
The nationality rule has also been modified to ensure each boat is more representative of its country.
Under the new rules, the race crew must all hold a passport of the country they're sailing for or have lived in that country for two of the past three years.
But there are plenty of glaring questions regarding the next regatta that won't be answered in Wednesday's announcement.
The venue remains a mystery, but Cork in Ireland, Jeddah in Saudi Arabia and Valencia in Spain seem to be the leading candidates.
The date set for the regatta will also be key. Although 2024 is widely tipped, the Paris Olympics may impact the build-up of key sailors competing in both.
Which leads to the final piece of the puzzle for Team NZ - will superstars Peter Burling and Blair Tuke re-sign to lead the Kiwi boat's defence of the 'Auld Mug'?
Both have made it clear they're awaiting the announcement of the protocol, before making any decision on their futures.
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