Wis. Admin. Code Department of Revenue § Tax 2.10 - Copies of federal returns, statements, schedules, documents, etc. to be filed with Wisconsin return
(1) INDIVIDUALS AND FIDUCIARIES. At the time
of filing Wisconsin income tax returns by individuals and fiduciaries, a
complete copy of the federal income tax return for the same taxable year,
including all schedules, statements, documents and computations which affect
the computation of Wisconsin income, credits or penalties, shall be included
and filed with the Wisconsin return. If the federal form is filed
electronically, a copy of the electronic material as contained in replicas of
the official forms or on forms designated by the electronic filer shall be
included and filed with the Wisconsin return.
(2) PARTNERSHIPS AND LIMITED LIABILITY
COMPANIES TREATED AS PARTNERSHIPS.
(a) Except
as provided in par. (b), at the time of filing Wisconsin income tax returns by
partnerships and limited liability companies treated as partnerships under s.
71.20(1),
Stats., a complete copy of the federal income tax return for the same taxable
year, including all schedules, statements, documents and computations which
affect the computation of Wisconsin income, deductions and credits, shall be
included and filed with the Wisconsin return. If the federal form is filed
electronically, a copy of the electronic material as contained in replicas of
the official forms or on forms designated by the electronic filer shall be
included and filed with the Wisconsin return.
(b) Copies of the federal schedules K-1 are
not required to be filed for those partners or members for whom a Wisconsin
schedule 3K-1 is being filed for the same taxable year. A Wisconsin schedule
3K-1 shall be filed in lieu of federal schedule K-1 for a partner or member if
any of the following applies:
1. The
computation of the Wisconsin income or deductions differs from the federal
amount.
2. The partner or member is
a nonresident of Wisconsin or part-year resident of Wisconsin and the
partnership or limited liability company has activities within and without
Wisconsin.
3. The partnership or
limited liability company calculates any Wisconsin income tax
credits.
Notes
Section Tax 2.10 interprets ss. 71.03(5) and 71.20(1), Stats.
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