The directors may (except so far as otherwise expressly provided) delegate to the chief executive, actuary or secretary, or to any other officer or employee of the Company, or to such bankers, professional advisers, agents or others as they shall think fit, any of the powers, duties and discretions exercisable by them as directors (whether such powers, duties and discretions are conferred or imposed by the Act or by the regulations or otherwise) upon such terms and conditions as they think fit; and such terms may include the power of further delegation.