12 CSR 10-2.035
Conformity of Missouri With Federal Accounting Methods
PURPOSE: The rule provides that a taxpayer must employ the
same method of accounting for Missouri income tax purposes as
is used for federal income tax purposes.
(1) A taxpayer must employ the same method of accounting
in determining Missouri taxable income as is used for federal
income tax purposes. The term method of accounting refers
not only to the overall method of accounting (such as cash
or accrual) but also to the accounting treatment of particular
items of income, gain, loss or deduction, such as depreciation,
bad debts, inventory valuation, research and experimental
expenditures.
(2) If the taxpayer is allowed or is required to change an
accounting method for federal income tax purposes, a similar
change in the accounting method for Missouri income tax
purposes will automatically be made. No application for change
of accounting method for Missouri income tax purposes shall
be required.
AUTHORITY: section 143.961, RSMo 1986.* Regulations 1.281-1
and 1.281-2 were originally filed March 8, 1974, effective March
18, 1974.
*Original authority: 143.961, RSMo 1972.
Armco Steel Corporation v. State Tax Commission, 580 SW2d
242 (Mo. banc 1979). Appellant filed a consolidated federal tax
return for 1969, making certain intercorporate payments to its
subsidiaries for their tax losses incurred. Appellant then claimed
as a deduction on its Missouri tax return the amount of federal tax
that would have been paid if the appellant had filed as a separate
entity. For deduction purposes on Missouri income tax returns,
United States income taxes “assessed” are those that are actually
paid. And, although the director of revenue is to “follow as nearly
as practicable the rules and regulations prescribed by the United
States government on income tax assessments and collection,”
the director cannot interpret the statute in accordance with the
federal regulations if to do so will change the substantive rules of
the Missouri statute.