214. To the extent that a unanimous shareholder agreement restricts the powers of the board of directors to manage, or supervise the management of, the business and affairs of the corporation, or withdraws all such powers from the board, parties to the unanimous shareholder agreement who are given those powers have all the rights, powers, duties, obligations and liabilities of directors of the corporation, whether they arise under this Act or otherwise, including any defences available to the directors, and the directors are relieved of their rights, powers, duties and liabilities, including their liability for the wages of the corporation’s employees, to the same extent.