DOR Technical Information Releases

Technical Information Releases (TIRs) inform taxpayers and tax practitioners of DOR's response to changes in federal or state tax laws or to court decisions interpreting those laws. A TIR states the official position of the Department of Revenue, has the status of precedent in the disposition of cases unless revoked or modified, and may be relied upon by taxpayers in situations where the facts, circumstances and issues presented are substantially similar to those in the TIR.

Table of Contents

2019 TIRs

2018 TIRs

2017 TIRs

2016 TIRs

2015 TIRs

2010 - 2014 TIRs

2005 - 2009 TIRs

2000 - 2004 TIRs

1995 - 1999 TIRs

1994 - 1990 TIRs

1985 - 1989 TIRs

1979 - 1984 TIRs

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