California Code, Revenue and Taxation Code - RTC § 17560.5

(b)(1) Section 11012(a) of the Tax Cuts and Jobs Act (Public Law 115-97),  2 relating to limitation on excess business losses on noncorporate taxpayers, shall apply except as otherwise provided.

(2) Section 461(l)(1) of the Internal Revenue Code, relating to limitation, as amended by Section 11012(a) of the Tax Cuts and Jobs Act (Public Law 115-97), is modified by substituting “beginning after December 31, 2018” for the phrase “beginning after December 31, 2017, and before January 1, 2026.”

(3) Section 461(l)(2) of the Internal Revenue Code, relating to disallowed loss carryover, as amended by Section 11012(a) of the Tax Cuts and Jobs Act (Public Law 115-97), is modified by substituting “Any loss which is disallowed under paragraph (1) shall be treated as a carryover excess business loss for the following taxable year.” for “Any loss which is disallowed under paragraph (1) shall be treated as a net operating loss carryover to the following taxable year under section 172.”

(4) Section 461(l)(3)(A) of the Internal Revenue Code, as amended by Section 11012 (a) of the Tax Cuts and Jobs Act (Public Law 115-97), is modified by inserting “(i) the sum of (I) Any prior year carryover excess business losses, plus” below “In general, the term “excess businesses loss means the excess (if any) of.”

(5) Section 461(l)(3)(A)(i) of the Internal Revenue Code, as amended by Section 11012 (a) of the Tax Cuts and Jobs Act (Public Law 115-97), is modified by inserting “(II)” for “(i)”.

(6) Section 461(l)(6) of the Internal Revenue Code, relating to coordination with section 469, as amended by Section 11012(a) of the Tax Cuts and Jobs Act (Public Law 115-97), is modified by substituting “Section 17561” for “section 469.”