The said land shall be available for all time for the following purposes:—
(a) Cricket played under the control or with the sanction of the committee for the time being of the Canterbury Cricket Association;
(b) Rugby football played under the control or with the sanction of the committee for the time being of the Canterbury Rugby Football Union; and
(c) Such other sports, exhibitions, amusements, and entertainments as the Board of Trustees constituted as hereinafter set forth may from time to time deem expedient.