Taken from the deed itself.

The Challenging Club shall give ten months' notice, in writing, naming the days for the proposed races; but no race shall be sailed in the days intervening between November 1st and May 1st if the races are to conducted in the Northern Hemisphere; and no race shall be sailed in the days intervening between May 1st and November 1st if the races are to be conducted in the Southern Hemisphere. Accompanying the ten months' notice of challenge there must be sent the name of the owner and a certificate of the name, rig and following dimensions of the challenging vessel, namely, length on load water-line; beam at load water-line and extreme beam; and draught of water; which dimensions shall not be exceeded; and a custom-house registry of the vessel must also be sent as soon as possible. Center-board or sliding keel vessels shall always be allowed to compete in any race for this Cup, and no restriction nor limitation whatever shall be placed upon the use of such center-board or sliding keel, nor shall the center-board or sliding keel be considered a part of the vessel for any purposes of measurement.