IRS REVENUE PROCEDURES
67-390: April 2018
72-39: November 1989
75-50: October 2010, November 2008, April 1989
76-47: August 1986
80-27: November 2021, July 2020, October 2011,
February 2010, October 1996
82-39: August 2011, February 2010
84-46: June 1990
84-47, July 1984
85-32: June 1990
86-43: May 2007, December 1986
87-51: November 1987
87-54: January 1988
88-53: September 2003, April 1989
89-19: April 1989
89-20: April 1989
89-21: April 1989
89-23: May 1989
89-31: April 1989
89-34: September 1989, July 1989
89-54: January 1990
90-12: March 1990
90-17: April 1990
Rev. Proc. 91-20: January 2021, May 2019
90-27: March 2008, February 1993
90-29: June 1990
92-59: April 2005
92-94: October 2011, December 1998, December 1992
93-1: February 1993
93-2: February 1993
93-3: January 1994
93-4: February 1993
93-5: February 1993
93-49: January 1994
94-17: March 1994
94-72: January 1995
95-1: February 1995
95-3: February 1995
95-4: February 1995
95-5: February 1995
95-8: March 1995, February 1995
95-12: March 1997
95-21: May 1995
95-48: August 1998
95-53: February 1996
96-10: February 1996
96-32: December 2006, June 2006, July 1996
96-40: October 1996
97-12: March 1997
97-13: November 2016
97-57: February 1998
98-19: March 1998
99-42: January 2000
2000-1: March 2000
2000-2: March 2000
2000-3: March 2000
2000-4: March 2000
2000-5: March 2000
2000-8: March 2000
2000-48: January 2001
2002-70: December 2002
2003-12: September 2009, February 2003
2003-21: March 2003
2003-40: February 2009
2003-53: September 2003
2003-54: September 2003
2003-55: September 2003
2003-56: September 2003
2003-57: September 2003
2003-58: September 2003
2003-59: September 2003
2003-60: September 2003
2003-76: December 2003
2003-85: January 2004
2004-71: February 2005
2005-24: June 2005
2005-52: October 2005
2005-53: October 2005
2005-54: October 2005
2005-55: October 2005
2005-56: July 2011, October 2005
2005-57: October 2005
2005-58: October 2005
2005-59: October 2005
2005-70: February 2006
2006-50: January 2007
2006-4: July 2007
2006-44: November 2015
2006-53: January 2007
2007-2: March 2007
2007-3: September 2007, March 2007
2007-5: March 2007
2007-27: June 2007, May 2007
2007-39: September 2007
2007-45: September 2007
2007-46: September 2007
2007-52: March 2008, October 2007,
September 2007
2007-66: December 2007
2008-1: March 2008
2008-2: March 2008
2008-3: March 2008
2008-4: March 2008
2008-5: March 2008
2008-8: March 2008
2008-9: June 2008, March 2008
2008-66: December 2008
2009-1: March 2009
2009-2: March 2009
2009-3: March 2009
2009-4: March 2009
2009-5: March 2009
2009-8: March 2009
2009-9: March 2009
2009-20: July 2009
2009-32: August 2011, September 2009
2010-1: March 2010
2010-2: March 2010
2010-3: July 2011, March 2010
2010-4: March 2010
2010-5: March 2010
2010-6: March 2010
2010-8: March 2010
2010-9: March 2010
2010-40: January 2011
2011-1: March 2011
2011-2: March 2011
2011-3: March 2011
2011-4: September 2011, March 2011
2011-5: March 2011
2011-6: March 2011
2011-8: August 2011, March 2011
2011-9: March 2011
2011-10: March 2011
2011-12: March 2011
2011-15: March 2011
2011-33: August 2011
2011-36: August 2011
2011-52: December 2011
2012-1: March 2012
2012-2: March 2012
2012-3: March 2012
2012-4: March 2012
2012-5: March 2012
2012-6: March 2012
2012-7: March 2012
2012-8: March 2012
2012-9: March 2012
2012-10: March 2012
2012-41: December 2012
2013-1: March 2013
2013-2: March 2013
2013-3: March 2013
2013-4: March 2013
2013-5: March 2013
2013-6: March 2013
2013-8: March 2013
2013-9: March 2013
2013-10: March 2013
2013-15: March 2013
2015-4: November 2015
2016-1: March 2016
2016-2: March 2016
2016-3: March 2016
2016-4: March 2016
2016-5: March 2016
2016-8: August 2016, March 2016
2016-10: March 2016
2016-32: August 2016
2016-44: November 2016
2017-1: March 2017
2017-2: March 2017
2017-3: March 2017
2017-4: March 2017
2017-5: March 2017
2017-53: November 2017
2017-58: December 2017
2018-1: March 2018
2018-2: March 2018
2018-3: March 2018
2018-4: March 2018
2018-5: March 2018
2018-10: March 2018
2018-15: April 2018
2018-32: July 2018
2018-38: September 2018, October 2019
2019-1: March 2019
2019-2: March 2019
2019-5: March 2019
2019-7: March 2019
2019-12: March 2019, October 2020
2019-22: July 2019
2019-44: January 2020
2020-1: March 2020
2020-2; March 2020
2020-3: March 2020
2020-5: March 2020
2020-45: February 2021
2021-1: February 2021
2021-2: February 2021
2021-3: November 2021, February 2021
2021-5: February 2021, May 2021
2021-40: November 2021