Section of Taxation Publications
  VOL. 56
NO. 1
FALL 2002
Contents | TTL Home

 Note: The following is an excerpt from the introduction to the article as published in The Tax Lawyer. Author citations have been omitted for brevity. Tax Section members may read the article in its entirety in Adobe Acrobat format.
 Accounting Methods—Which Retroactive "Corrections" Require Service Consent?
Felix B. Laughlin* and Kathleen C. Dale**

*Partner, Dewey Ballantine LLP, Washington, D.C. University of Tennessee, B.S. and J.D., 1967; Georgetown University Law Center, LL.M., 1971. The authors wish to thank Deena Devereux for her valuable research and citation assistance. The authors also wish to thank the following people for their helpful comments: Anna-Liza Harris, Hal Gann, Judith Dunn, Carolyn Swift, and Diane Herndon.
**Associate, Dewey Ballantine LLP, Washington, D.C. University of Wisconsin at Madison, B.A., 1994; Georgetown University Law Center, J.D., 2000.

Over the last three decades, the Internal Revenue Service has attempted, with uneven results, to uphold its expansive view of what constitutes a taxpayer-initiated change in method of accounting requiring the Service's consent under section 446(e). This issue arises when a taxpayer seeks to modify an accounting practice retroactively by (1) either unilaterally amending a prior return or, if an error in a prior return is found by the Service on audit, attempting to choose between permissible corrective practices, or (2) prospectively in a current return. This article focuses mainly on retroactive corrections.

From the 1970 revision of the section 446 regulations defining methods of accounting to the present, taxpayers have won about half of the approximately 40 cases involving whether retroactive accounting practice corrections constituted accounting method changes. The Service's most important victory was in Diebold, Inc. v. United States, decided by the Federal Circuit in 1989. For taxpayers, the most significant recent victory was in Northern States Power Co. v. United States, decided by the Eighth Circuit in 1998.

This article examines the confusing state of present law in an effort to clarify the important factors that go into determining which taxpayer-initiated retroactive accounting practice modifications are method changes requiring the Service's consent. The primary focus of the article will be to analyze the treatment by the Service and the courts of (1) retroactive changes in an accounting practice relating to a class or type of income or expense and (2) retroactive corrections under the error-within-a-method exception to method change treatment. Other corrections (which may be retroactive or prospective) under other exceptions to method change treatment are also noted. Part I sets forth the applicable law, including a discussion of the current regulatory definition of a change in method of accounting. Part I also identifies the fundamental legal principles that should come into play in these cases.

Part II discusses the four main factors used by the courts and the Service in deciding whether a retroactive modification of an accounting practice is a method change, before considering whether any exception to method change treatment might apply: (1) which return is being amended or corrected on audit (the first one in which the old practice was used or subsequent returns), (2) whether the old practice was a permissible or impermissible choice, (3) how long the taxpayer had used the old practice, and (4) whether the change is being initiated by the taxpayer or by the Service. The interplay of these factors is depicted in Diagram A, located at the end of the article.

Part III discusses the principal exception to method change treatment-the error-within-a-method exception-which can apply even if the initial analysis suggests that a retroactive modification otherwise could be a method change. Diagram B, located at the end of this article, illustrates when this exception applies.


Published by
Section of Taxation, American Bar Association
With the Assistance of
Georgetown University Law Center


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