9.1. The board of trustees may(1) fix the amount of the dues exigible from each class of member of the Museum as well as the contributions payable for certain activities;
(2) fix the entrance fees for Museum activities;
(3) appoint art acquisition committees and determine the functions thereof;
(4) delegate to an art acquisition committee appointed under paragraph 3 or to a committee appointed under subparagraph e of the first paragraph of section 10 the exercise of its powers except those provided in the second paragraph of section 6.1 or in sections 7, 9.1, 10, 16 and 17.