This act, being said sections six, seven and eight of this article, may be cited as the “Uniform Common Trust Fund Act”. It shall be so interpreted and construed as to effectuate its general purpose to make uniform the law of those states which have or may hereafter enact it, or similar legislation. It shall apply to fiduciary relationship, or status, now in existence or hereafter established. If any of its provisions or the application thereof to any person or circumstance be held invalid, such invalidity shall not affect the other provisions or applications which can be given effect without the invalid provision or application, and to this end its provisions are declared to be severable.