All appeals to His Majesty in Council shall be made within such times respectively within which the same may now be made, where such time shall be fixed by any law or usage, and where no such law or usage shall exist, then within such time as shall be ordered by His Majesty in Council; and subject to any right subsisting under any charter or constitution of any colony or plantation, it shall be lawful for His Majesty in Council to alter any usage as to the time of making appeals, and to make any order respecting the time of appealing to His Majesty in Council.