27. Podiatrists may not enter into any verbal or written agreement having the effect of compromising the independence, impartiality, objectivity and integrity required to carry on their professional activities. No agreement may, in particular,(1) exclude certain types or brands of podiatric orthoses from those they are authorized to manufacture, transform, alter or sell;
(2) limit their freedom to buy and sell podiatric orthoses;
(3) define or restrict the professional services they offer to their patients.