(

a) Notwithstanding paragraph (3) of subdivision (

e) of

Section 23051.5, if an election has been made by a taxpayer under

Section of the Internal Revenue Code, relating to certain stock purchases treated as asset acquisitions, or where a taxpayer is deemed to have made an election under

Section 338(

e) of the Internal Revenue Code, relating to deemed election where purchasing corporation acquires asset of target corporation, for federal income tax purposes, a separate election shall not be allowed under this part and the federal election shall be binding for purposes of this part,

Part 10 (commencing with

Section 17001), and

Part 10.2 (commencing with

Section 18401). (

b) Notwithstanding paragraph (3) of subdivision (

e) of

Section 23051.5, if an election has not been made by a taxpayer under

Section of the Internal Revenue Code, relating to certain stock purchases treated as asset acquisitions, or where a taxpayer has not been deemed to have made an election under

Section 338(

e) of the Internal Revenue Code, relating to deemed election where purchasing corporation acquires asset of target corporation, for federal income tax purposes, the taxpayer shall not make a separate state election with respect to

Section of the Internal Revenue Code, relating to certain stock purchases treated as asset acquisitions, under this part. (

c) This

section shall apply to acquisitions made on or after the effective date of this section, except as provided in subdivision (d). (

d) This

section shall not apply in the case of an acquisition that is subject to a binding contract entered into before the effective date of this

section and which remains binding at all times after that date.