Mo. Rev. Stat. § 143.1100
2. As used in this section, the following terms shall mean:
(1) "Business unit":
(2) "Deduction":
(4) "Eligible expenses":
(5) "Eligible insourcing expenses":
(b) Eligible expenses paid or incurred by the taxpayer in connection with the establishment of any business unit of the taxpayer or of any member of any expanded affiliated group in which the taxpayer is also a member located within the state of Missouri if such establishment constitutes the relocation of the business unit so eliminated.
For purposes of this subdivision, expenses shall be eligible if such elimination of the business unit in another state or country occurs in a different taxable year from the establishment of the business unit in Missouri;
3. For all taxable years beginning on or after January 1, 2016, a taxpayer shall be allowed a deduction equal to fifty percent of the taxpayer's eligible insourcing expenses in the taxable year chosen under subsection 5 of this section. The amount of the deduction claimed shall not exceed the amount of:
(2) For corporations, the taxpayer's Missouri taxable income for the taxable year the deduction is claimed.
However, any amount of the deduction that cannot be claimed in the taxable year may be carried over to the next five succeeding taxable years until the full deduction has been claimed.
5. Only eligible insourcing expenses that occur in the taxable year such expenses are paid or incurred and:
(2) The first taxable year after the taxpayer's insourcing plan is completed;
shall be used to calculate the deduction allowed under this section.
11. Under section 23.253:
(L. 2016 S.B. 861)
Sunset date 8-28-22
Termination date 9-01-23