In any case in which the consent of the patron of any benefice shall be required to the exercise of any power given by this Act, or in which any notice shall be required by this Act to be given to the patron of any benefice, and the patronage of such benefice shall be in the crown, the consent of the crown to the exercise of such power shall be testified and such notice shall be given respectively in the manner herein-after mentioned; (that is to say), if such benefice shall be above the yearly value of twenty pounds in the Queen’s books, the instrument by which the power shall be exercised shall be executed by and any such notice shall be given to the lord high treasurer or first lord commissioner of the Treasury for the time being; and if such benefice shall not exceed the yearly value of twenty pounds in the Queen’s books, such instrument shall be executed by and any such notice shall be given to the lord high chancellor, lord keeper or lords commissioners of the great seal for the time being; and if such benefice shall be within the patronage of the crown in right of the duchy of Lancaster, such instrument shall be executed by and any such notice shall be given to the chancellor of the said duchy for the time being; and the execution of such instrument by and any such notice given to such person or persons shall be deemed and taken for the purposes of this Act to be an execution by and a sufficient notice to the patron of the benefice.