As from the appointed day, any reference in any order relating to delimitation of parliamentary constituencies, assembly constituencies or council constituencies—
         (a) (i) to the State of Bihar, shall be construed as including the territories transferred to that State from the State of Uttar Pradesh under clause (a) of sub-section (1) of section 3, but excluding the territories transferred from the State of Bihar to the State of Uttar Pradesh under clause (b) of that sub-section;
         (ii) to any district, sub-division, police-station or other administrative unit in the State of Bihar, shall be construed as including that part of the territories, if any, transferred to that State, which is included in that district, sub-division, police-station or other administrative unit by order made under sub-section (5) of section 3;
         (b) (i) to the State of Uttar Pradesh, shall be construed as including the territories transferred to that State from the State of Bihar under clause (b) of sub-section (1) of section 3, but excluding the territories transferred from the State of Uttar Pradesh to the State of Bihar under clause (a) of that sub-section;
         (ii) to any district, sub-division, police-station or other administrative unit in the State of Uttar Pradesh, shall be construed as including that part of the territories, if any, transferred to that State, which is included in that district, sub-division, police-station or other administrative unit by order made under sub-section (5) of section 3.