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Did You Pay a Michigan Assessment After an MTC Audit? What the State’s Retroactive Compact Repeal May Mean

On September 11, 2014, Michigan Governor Rick Snyder signed legislation (SB 156) retroactively repealing the Multistate Tax Compact (Compact, formerly codified at MCL § 205.581 et seq.) from the state statutes, effective January 1, 2008.  Among other things, the bill’s passage ostensibly supersedes the Michigan Supreme Court’s decision in Int’l Bus. Machines Corp. v. Dep’t of Treasury, 496 Mich. 642 (2014) (holding that (1) the enactment of a single sales factor under the Business Tax Act (codified at MCL § 208.1101 et seq.) did not repeal Compact by implication and (2) the state’s modified gross receipts tax fell within the scope of Compact’s definition of “income tax” which the taxpayer could calculate using Compact’s three-factor apportionment test) and relieves the Department of Treasury from having to pay an estimated $1.1. billion in refunds to taxpayers.  While many commentators have rightfully focused on the constitutional validity of retroactively repealing the Compact in Michigan in such a manner (including our own Mary Kay Martire in her recent blog post), we think it is equally as important to consider whether the repeal compromises the validity of prior interstate audit assessments authorized pursuant to the Compact.

Background

Article VIII of the Compact provides the specific rules governing participation in interstate audits conducted by the Multistate Tax Commission (MTC) via their Joint Audit Program (Program).  Unlike other provisions of the Compact, Article VIII is “in force only in those party states that specifically provide therefore by statute.”  Section 8 of the Compact provides this authority, simply stating “Article VIII [of the Compact] shall be in force in and with respect to this state.” See MCL § 205.588 (repealed by SB 156).  This threshold matter must be satisfied before the MTC is authorized to audit and assess businesses and review their books and records on behalf of any particular state.

The MTC and its participating audit states have taken the controversial position that membership and participation in the Program is independent from a state’s Compact status (e.g. Massachusetts, Nebraska, Tennessee, and Wisconsin have not adopted the Compact, yet participate in the Program).  Further, even when authorized, states have the discretion to elect not to participate in the Program by simply opting out for one or both of the taxes audited (income and franchise, or sales and use).

Minnesota offers an example of a state that may have withdrawn from the Compact correctly while maintaining the State’s ability to participate in MTC audits.  In May 2013, the legislature enacted legislation repealing the Compact (H.F. 677, repealing Minn. Stat. § 290.171) (this legislation does not appear to be retroactive).  In doing so, the legislature included a separate provision authorizing continued participation in audits performed by the MTC. See Minn. Stat. § 270C.03 subd. 1(9), amended by H.F. 677.  While Minnesota ultimately opted not to participate in these audits, they have statutory authority if they so choose (but as noted above, the Compact itself may not allow for this).

Implications

Unlike Minnesota, the recent repeal in Michigan failed to reserve the right to participate in the Program and made the repeal retroactive to Jan. 1, 2008.  These significant differences likely mean that Michigan taxpayers audited pursuant to an interstate audit conducted by the MTC were subject to now-unauthorized audits.  The implications of this retroactive invalidity are not entirely clear, but there are several interesting issues.  For example, taxpayers audited by the MTC on behalf of Michigan may have a breach of taxpayer confidentiality claim based on the lack of audit authority during their audits conducted after 2007.  There may be refund opportunities based on due process or other procedural violations as well (subject to statute of limitations and similar hurdles).

If Michigan’s retroactive repeal of the Compact is declared to be invalid —which we firmly believe it should be—the interstate audit provision is itself elective for the State and not subject to the same due process and compact law restrictions.  As previously discussed, the status of the Compact in a state does not govern participation in the Program and the state can opt out (at any time, for any reason).  Thus, it is possible that by enacting SB 156 Michigan legislators failed to properly retroactively repeal the Compact itself (e.g. the three-factor election) due to constitutional and compact law limits on retroactivity, while manifesting an unambiguous election to not participate in the Program (retroactive to Jan. 1, 2008).  Therefore, Michigan taxpayers audited pursuant the MTC Joint Audit Program should be entitled to some type of relief—regardless of the outcome of the inevitable Compact litigation on the horizon.

© 2020 McDermott Will & Emery

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About this Author

Stephen P. Kranz Lawyer McDermott Will
Partner

Stephen P. Kranz is a partner in the law firm of McDermott Will & Emery LLP and is based in the Firm’s Washington, D.C., office.  He engages in all forms of taxpayer advocacy, including audit defense and litigation, legislative monitoring, and the formation and leadership of taxpayer coalitions.  Steve is at the forefront of state and local tax issues, including developments arising in the world of cloud computing and digital goods and services.  He assists clients in understanding planning opportunities and compliance obligations for all states and all tax types. ...

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Counsel

Diann Smith is counsel in the law firm of McDermott Will & Emery LLP and is based in the Firm’s Washington, D.C., office.  Diann focuses her practice on state and local taxation with an emphasis on tax challenges relating to compliance, controversy, planning and legislative activity.   

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