Mandamus (Ireland) Act, 1826

Such order subject to alteration, but shall be valid until altered by judgment.

3. Provided always, that every rule or order of such court so made shall be subject to be varied, altered, or annulled, by or under or in execution of any judgment which shall or may be given in, upon, or under such writ of mandamus, or such plea or traverse thereto; but every such rule or order shall be and remain good, valid, and effectual according to the terms thereof, so long and so far as the same shall stand and remain not varied, altered, or annulled as aforesaid.