An Authority has power to sue and be sued; to have a seal and to alter the same at pleasure; to have perpetual succession; to make and execute contracts and other instruments necessary or convenient to the exercise of the powers of the Authority; to make and from time to time amend and repeal by-laws, rules and regulations not inconsistent with this Act, to carry into effect the powers and purposes of the Authority.
310 ILCS 10/8.5