And be it specially enacted, provided and declared, that after the expiry of three years from the registration of the verdict of the jury the said verdict and the proceedings had relative thereto shall not be reduced, set aside, reviewed, altered or amended by the Court of Session or any other judicatory, for any neglect of the provisions herein contained, or for any informality or error, or for any other reason or pretext whatever; and if any party shall pursue any process of reduction of the verdict of the jury or other process for setting the same aside, or for altering or amending the same, in the Court of Session, and shall fail in such pursuit or process, such party prosecuting as aforesaid shall be liable to the other party or parties in full costs of suit.