Where the day for holding the annual statutory meeting of the commissioners of supply of any county has been altered under the provisions of the [28 & 29 Vict. c. 38.] Commissioners of Supply Meetings (Scotland) Act, 1865, it shall be lawful again, and from time to time, to alter such day, as nearly as may be in the manner and subject to the provisions and to the effect set forth in the said Act.