| Date | Grid | Clue | Author |
| Sun Apr 21, 2024 | 35A | Agent Deirdre Beaubeirdre's org. in
"Everything Everywhere All at Once" | Michael Schlossberg |
| Sat Apr 6, 2024 | 25A | Dodgers' foes, for short | Byron Walden |
| Thu Apr 4, 2024 | 20A | Org. authorized by the 16th Amendment (2) | Kevin Curry |
| Tue Mar 26, 2024 | 21A | Auditing org. (3) | Laura Dershewitz and Katherine Baicker |
| Tue Mar 19, 2024 | 33A | Org. with a lot of returns | Lynn Lempel |
| Sun Feb 18, 2024 | 105D | Org. with the phone number 1-800-TAX-FORM | Sid Sivakumar |
| Sat Dec 23, 2023 | 48D | Division of the Treasury Dept. | Will Nediger |
| Sun Dec 17, 2023 | 43A | Org. that employed W.W. II-era Donald Duck as a spokesperson | Jeremy Newton |
| Sun Nov 5, 2023 | 111D | 1040 collector | Rich Katz |
| Mon Sep 4, 2023 | 1A | Org. with an April 15 deadline | Tom Pepper and Zhouqin Burnikel |
| Wed Jun 28, 2023 | 4D | Part of a return address? (3) | Matt Fuchs and Victor Sloan |
| Sun May 21, 2023 | 101D | Form-al org.? | Robert Ryan |
| Sun Mar 19, 2023 | 79A | U.S. agcy. originally set up to fund war expenses | Robert Ryan |
| Sun Mar 5, 2023 | 97A | Agcy. impersonated in some scam calls | John-Clark Levin |
| Sun Feb 19, 2023 | 79D | "Where's My Refund?" org. | Rebecca Goldstein |
| Tue Nov 8, 2022 | 40A | Tax org. (5) | Enrique Henestroza Anguiano |
| Tue Aug 2, 2022 | 35D | Org. that takes many forms (2) | Jay Kaskel and Daniel Kantor |
| Mon Jun 13, 2022 | 38D | Org. that won't call to demand payments, despite what its impostors would have you believe | Hoang-Kim Vu and Jessica Zetzman |
| Sun May 8, 2022 | 53A | Org. often impersonated by phone scammers | Matthew Stock and Chandi Deitmer |
| Wed Apr 20, 2022 | 6A | Div. of the Treasury Department | Joseph Greenbaum |
| Thu Feb 3, 2022 | 64A | Agcy. making lax regs | Adam Wagner |
| Mon Jan 17, 2022 | 66D | 1040 org. (4) | Evan Mahnken |
| Sun Oct 31, 2021 | 119D | Distributor of CARES Act funds | Alex Eaton-Salners |
| Sun Sep 12, 2021 | 44A | They await your return, in brief | Alex Rosen |
| Sun May 30, 2021 | 73A | Org. with a complex code (2) | Adam Wagner |
| Sun Apr 25, 2021 | 11D | Auditing org. (3) | Jeremy Newton |
| Sun Jan 17, 2021 | 98A | Org. that takes many forms (2) | Tracy Gray and Tom Pepper |
| Tue Jan 5, 2021 | 64A | Org. with an inspector general | Amy Schecter and Christina Iverson |
| Thu Dec 17, 2020 | 24A | Money-collecting org. | Kathryn Ladner |
| Sun Sep 27, 2020 | 37A | Part of a return address? (3) | Alex Eaton-Salners |
| Sat Jun 20, 2020 | 5D | Schedule issuer, for short | Stella Zawistowski |
| Wed Apr 29, 2020 | 44A | Apr. 15 payment recipient (2) | Joe DiPietro |
| Wed Mar 18, 2020 | 64A | Org. that collects 1099s | Ricky Cruz |
| Sun Feb 23, 2020 | 38D | Letters before ".gov" | Sophia and David Maymudes |
| Tue Feb 4, 2020 | 8D | Returns org. | Queena Mewers and Alex Eaton-Salners |
| Tue Jan 21, 2020 | 22D | E-file recipient, in brief | Carl Larson |
| Sun Jan 12, 2020 | 60D | Fed. agency that helped take down Al Capone | Evan Mahnken and David Steinberg |
| Thu Sep 12, 2019 | 32A | Org. that might pocket your checks | Grant Thackray |
| Thu Aug 15, 2019 | 58D | Government agcy. much impersonated in scam calls | Andrew Zhou |
| Mon Apr 15, 2019 | 69A | Tax org. undergoing some "reform" in this puzzle's circled squares | Patrick Blindauer and Samuel A. Donaldson |
| Tue Mar 12, 2019 | 41A | Org. with a Form 1040 | Jules Markey |
| Sat Dec 22, 2018 | 51D | Return destination, for short | Joon Pahk |
| Sun Dec 9, 2018 | 13D | Return letters? (2) | Ross Trudeau |
| Tue Nov 27, 2018 | 31A | Mid-April addressee, for short | Erik Agard |
| Sun Aug 5, 2018 | 60D | Schedule-keeping org. (2) | Alison Ohringer and Erik Agard |
| Fri May 18, 2018 | 15D | FICA contribution collector | Ryan McCarty |
| Sun May 6, 2018 | 58A | Grp. getting a pay cut? | Brendan Emmett Quigley |
| Tue Apr 24, 2018 | 6D | Form letters? (8) | Peter Gordon |
| Wed Apr 11, 2018 | 6D | Tax org. (5) | Keiran King |
| Sun Mar 25, 2018 | 18D | Qtrly. check recipient, maybe | Finn Vigeland |
| Sat Sep 9, 2017 | 61D | Government org. impersonated in many phishing scams | John Guzzetta and Michael Hawkins |
| Tue Jun 13, 2017 | 61D | Org. of concern to H&R Block | Lynn Lempel |
| Mon Jan 9, 2017 | 46A | Apr. 15 mail addressee | Neville Fogarty |
| Wed Dec 7, 2016 | 31A | Org. that investigated Al Capone | David Steinberg |
| Sun Nov 27, 2016 | 120D | Org. authorized by the 16th Amendment (2) | Matt Ginsberg |
| Mon Oct 24, 2016 | 35D | Recipient of many checks dated Apr. 15 | John Guzzetta |
| Sun Feb 7, 2016 | 91A | Subj. of David Foster Wallace's "The Pale King" | Alan Arbesfeld |
| Wed Jan 27, 2016 | 61D | Recipient of much Apr. mail | Adam G. Perl |
| Sun Jan 17, 2016 | 110D | Org. with a hotline | Jeff Chen |
| Sat Dec 5, 2015 | 44A | Longtime record label that shares its inits. with a major government agcy. | David J. Kahn |
| Sun Sep 13, 2015 | 99A | Letters in a return address? | Joe DiPietro |
| Sat Aug 29, 2015 | 55A | Govt. org. with roots going back to the Civil War | Evan Birnholz |
| Mon Apr 13, 2015 | 46A | Apr. 15 addressee, for many | Alex Silverman |
| Mon Mar 9, 2015 | 39A | Org. that might garnish your wages | Debbie Ellerin |
| Sun Dec 28, 2014 | 63A | Grp. with auditors | Joe Krozel |
| Thu Dec 18, 2014 | 40D | Shelter investigator, for short | Timothy Polin |
| Wed Dec 3, 2014 | 48A | Part of a return address? (3) | Patrick Blindauer |
| Wed Nov 26, 2014 | 31D | Code letters? | Michael S. Maurer |
| Sun Nov 23, 2014 | 21A | Org. that prepares tables | Patrick Berry |
| Mon Oct 6, 2014 | 60D | Apr. 15 payment recipient (2) | Robyn Weintraub |
| Thu Sep 4, 2014 | 64A | Subj. of the book "Many Unhappy Returns" | Samuel A. Donaldson |
| Thu Aug 7, 2014 | 33D | Department of the Treasury dept. | Joe DiPietro |
| Sat Jun 14, 2014 | 55D | Group awaiting one's return, for short | Alex Vratsanos |
| Sat Apr 12, 2014 | 23D | Org. whose logo has an eagle and scales | Mel Rosen |
| Tue Dec 3, 2013 | 6D | Bureau of the Dept. of the Treasury | Phil Ruzbarsky |
| Wed Jun 19, 2013 | 65D | Org. in a 2013 scandal | Richard F. Mausser |
| Thu Jun 6, 2013 | 43A | Return addressee? (4) | James Tuttle |
| Sun Mar 24, 2013 | 119D | Returns letters? (3) | Dan Schoenholz |
| Mon Mar 18, 2013 | 65D | Agcy. that gets a flood of mail in April | Daniel Landman |
| Tue Feb 19, 2013 | 38A | Org. with a staff of auditors | Barry Franklin and Sara Kaplan |
| Sun Jan 27, 2013 | 29D | Return address letters? (2) | Jeff Chen |
| Sun Dec 23, 2012 | 110A | Form letters? (8) | Joe DiPietro |
| Wed Nov 7, 2012 | 41D | Form letters? (8) | George Fitzgerald and Nancy Salomon |
| Thu Sep 20, 2012 | 46D | Apr. addressee (4) | John R. Conrad |
| Sun May 20, 2012 | 118A | Big collection agcy. | Alan Arbesfeld |
| Thu Mar 22, 2012 | 25D | Grp. with a complex code | Alan Arbesfeld |
| Mon Jan 16, 2012 | 5D | Tax org. (5) | Andrea Carla Michaels |
| Mon Jan 2, 2012 | 47D | Form 1040 org. (4) | Paula Gamache |
| Fri Dec 23, 2011 | 31A | Org. whose roots go back to the Civil War | Patrick Berry |
| Tue Nov 15, 2011 | 40A | Where many Apr. checks are sent | Gareth Bain |
| Wed Nov 9, 2011 | 12D | Org. with auditors | Paula Gamache |
| Fri Oct 7, 2011 | 7D | Return letters? (2) | Kevin G. Der |
| Mon Sep 19, 2011 | 51D | 1040 org. (4) | Julian Lim |
| Thu Sep 15, 2011 | 33D | Org. supported by the 16th Amendment | Samuel A. Donaldson |
| Tue Aug 30, 2011 | 38A | Org. issuing many refunds | Bernice Gordon |
| Thu Aug 11, 2011 | 58D | Form letters? (8) | Parker Lewis |
| Tue Jul 19, 2011 | 25D | Org. whose Web site has a "Where's My Refund?" section | Mark Feldman |
| Thu Jun 16, 2011 | 13D | Collection agcy. (4) | David Steinberg |
| Thu May 26, 2011 | 40A | Much Apr. mail is addressed to it | Ashish Vengsarkar |
| Sun May 8, 2011 | 76A | Org. whose functions follow forms? | Daniel A. Finan |
| Tue May 3, 2011 | 61D | Recipient of much Apr. 15 mail | Kevan Choset |
| Sun Apr 10, 2011 | 109D | Filing org. | Paula Gamache |
| Sun Jan 2, 2011 | 32A | Subj. of the 2005 book "Many Unhappy Returns" | David Levinson Wilk |
| Fri Aug 20, 2010 | 35A | Its HQ is in D.C.'s Federal Triangle | Brad Wilber |
| Wed Jul 14, 2010 | 32D | Quarterly payment recipient, for short | Michael Black |
| Tue Jun 15, 2010 | 38A | Org. with audits | Jill Winslow |
| Sat Jun 12, 2010 | 47A | See 46-Across | Joe DiPietro |
| Fri Jan 8, 2010 | 27A | Org. that awaits your return | Patrick Berry |
| Mon Dec 7, 2009 | 13D | Org. with a 4/15 deadline | Ed Sessa |
| Tue Nov 24, 2009 | 70A | Return addressee?: Abbr. | Victor Fleming and Bonnie L. Gentry |
| Tue Sep 22, 2009 | 42D | Org. that proceeds according to schedule? | Gail Grabowski |
| Tue Jun 30, 2009 | 6D | Org. with a code (3) | Steve Dobis |
| Thu May 14, 2009 | 66D | Destination of many filings, for short | David J. Kahn |
| Thu May 7, 2009 | 56A | Agcy. with agents | Elizabeth C. Gorski |
| Mon Apr 6, 2009 | 46A | Auditor's org. | Dustin Foley |
| Tue Sep 9, 2008 | 57A | Org. with an e-file option | Patrick John Duggan |
| Mon Sep 1, 2008 | 26D | 1040 org. (4) | Andrea Carla Michaels |
| Tue Jul 15, 2008 | 24A | Destination for a W-2 | Leonard Williams |
| Fri Jun 27, 2008 | 42A | Schedule maker: Abbr. | Brad Wilber |
| Fri Jun 6, 2008 | 5A | Return addressee? (4) | Ashish Vengsarkar |
| Mon Apr 21, 2008 | 23A | Tax org. (5) | Janet R. Bender |
| Sun Apr 20, 2008 | 98D | Subject of the book "Many Unhappy Returns": Abbr. | John Farmer |
| Tue Jan 15, 2008 | 11A | Org. with a code (3) | Stella Daily and Bruce Venzke |
| Mon Dec 24, 2007 | 58A | April 15 org. (3) | Mark Sherwood |
| Sun Nov 18, 2007 | 17D | Schedule-keeping org. (2) | Patrick Berry |
| Wed Sep 12, 2007 | 22D | Employer of many auditors: Abbr. | Alan Arbesfeld |
| Sun Jul 15, 2007 | 56D | Org. that requires schedules | Patrick Berry |
| Sat Jul 14, 2007 | 11D | Return address abbr.? | Victor Fleming |
| Fri Jun 1, 2007 | 42A | Form letters? (8) | David Quarfoot and Katy Swalwell |
| Mon May 28, 2007 | 57D | Form 1040 org. (4) | John Underwood |
| Mon Mar 5, 2007 | 25D | E-file receiver | Fred Piscop |
| Sun Mar 4, 2007 | 54A | Part of the Treasury Dept. | Randolph Ross |
| Tue Feb 20, 2007 | 5D | Apr. 15 check recipient | Jonathan Gersch |
| Wed Dec 27, 2006 | 8D | Audit grp. | Manny Nosowsky |
| Tue Sep 19, 2006 | 4D | Form 1040 org. (4) | Allan E. Parrish |
| Tue Jul 18, 2006 | 60D | Not a popular federal org. | Kevan Choset |
| Wed May 24, 2006 | 13D | 1040 org. (4) | Adam G. Perl |
| Sun May 14, 2006 | 116D | Collection agcy.? (4) | Patrick Berry |
| Tue Apr 11, 2006 | 39A | Form 1040 receiver, for short | Lee Glickstein and Nancy Salomon |
| Thu Mar 16, 2006 | 67D | Auditing org. (3) | Ben Tausig |
| Sun Feb 26, 2006 | 75D | Collection agcy. (4) | Randolph Ross |
| Tue Jan 3, 2006 | 42A | Form 1040 org. (4) | Lynn Lempel |
| Wed Nov 30, 2005 | 52A | Treasury div. | Seth A. Abel |
| Mon Nov 28, 2005 | 37A | April 15 org. (3) | Kevan Choset |
| Sun Sep 11, 2005 | 100D | Org. headquartered on Constitution Ave. | Patrick Berry |
| Sun Aug 14, 2005 | 13D | ___ agent | Patrick Merrell |
| Sat Apr 16, 2005 | 34A | April abbr. | Gary Steinmehl |
| Thu Mar 24, 2005 | 56A | Spring collector: Abbr. | Dan Reichert |
| Tue Feb 1, 2005 | 46A | Org. with a complex code (2) | Kevan Choset |
| Sun Jul 25, 2004 | 12D | Grp. that launches investigations | Brendan Emmett Quigley |
| Thu Jul 15, 2004 | 26D | Return destination?: Abbr. | Roy Leban |
| Sat Jun 19, 2004 | 11A | It has a variety of schedules: Abbr. | Brendan Emmett Quigley |
| Mon May 31, 2004 | 24A | April 15 deadline agcy. | Gregory E. Paul |
| Sun May 23, 2004 | 42A | Return addressee (4) | Deb Amlen and Nancy Salomon |
| Wed Apr 14, 2004 | 57A | Govt. collectors | Randolph Ross |
| Tue Dec 16, 2003 | 41A | Receiver of many Apr. checks | M. Francis Vuolo |
| Tue Apr 29, 2003 | 35A | Levy collector, for short | Norma Johnson |
| Wed Mar 26, 2003 | 45A | 1040 sender | Randall J. Hartman |
| Fri Feb 28, 2003 | 27A | Controversial agcy. since 1862 | Manny Nosowsky |
| Fri Jan 3, 2003 | 21D | Return addressee? (4) | Jim Page |
| Sun Nov 10, 2002 | 30A | Return address letters? (2) | Cathy Millhauser |
| Wed Nov 6, 2002 | 67A | Collectors' org. | Alan Arbesfeld |
| Sun Oct 6, 2002 | 88D | Dept. of the Treasury dept. | Myles Callum |
| Mon Jun 3, 2002 | 50A | 1040 initials | Gregory E. Paul |
| Thu Jan 24, 2002 | 60D | C.P.A. hirer | Brendan Emmett Quigley |
| Wed Aug 29, 2001 | 42A | Kind of agent (3) | James Rogers |
| Thu Aug 23, 2001 | 43A | Form letters? (8) | Peter Gordon |
| Fri Jul 20, 2001 | 36A | Org. that provides many instructions | Jim Page |
| Sun Jul 1, 2001 | 76A | Org. with refunds | Manny Nosowsky |
| Sat Jan 27, 2001 | 57D | Grp. that's true to form? | Rich Norris |
| Mon Jan 8, 2001 | 30D | April initials (2) | Gregory E. Paul |
| Sun Dec 10, 2000 | 54A | Apr. addressee (4) | Rich Norris |
| Fri Nov 24, 2000 | 20A | Returns letters? (3) | Martin Ashwood-Smith |
| Thu Oct 12, 2000 | 62D | Org. with a code (3) | A. J. Santora |
| Mon Apr 10, 2000 | 67D | Much-maligned federal org. | Ed Early |
| Fri Mar 31, 2000 | 59A | Form letters? (8) | Nancy Salomon and Harvey Estes |
| Sun Jan 30, 2000 | 99A | Form letters (8) | Peter Gordon |
| Wed Sep 8, 1999 | 38D | Org. with many inspectors | Holden Baker |
| Fri Aug 20, 1999 | 55D | Kind of form | Manny Nosowsky |
| Mon Jul 26, 1999 | 24A | Apr. 15 addressee | M. Francis Vuolo |
| Fri Jun 25, 1999 | 22A | Grp. that gets a pay cut? | Matt Gaffney |
| Fri Mar 12, 1999 | 44D | Org. with many schedules | A. J. Santora |
| Mon Feb 22, 1999 | 34A | Apr. 15 letters | Gregory E. Paul |
| Sun Nov 8, 1998 | 101A | Apr. addressee (4) | Fred Piscop |
| Sat Nov 7, 1998 | 23A | Collection agcy. (4) | Raymond Hamel |
| Sun Nov 1, 1998 | 34A | Spring addressee, for short | Robert Malinow |
| Wed Sep 30, 1998 | 28A | Org. that does investigations | Fran and Lou Sabin |
| Fri Sep 11, 1998 | 21A | Kind of agent (3) | Harvey Estes |
| Sun Jul 19, 1998 | 37D | Forms grp. | Nancy Salomon |
| Wed Jun 24, 1998 | 6D | Taxing letters | Richard Silvestri |
| Wed May 13, 1998 | 58D | Tax court defendant, for short | Eileen Lexau |
| Fri May 8, 1998 | 8D | Treasury Department div. | Harvey Estes |
| Sun Mar 1, 1998 | 81D | Cabbage collector, for short | Cathy Millhauser |
| Fri Oct 17, 1997 | 21A | Returns letters (3) | Alan Jay Weiss |
| Mon Sep 22, 1997 | 23A | April 15 initials | Gregory E. Paul |
| Thu May 15, 1997 | 67A | Tax agcy. | Mark Elliot Skolsky |
| Sun Apr 20, 1997 | 92A | Apr. addressee (4) | Charles M. Deber |
| Mon Mar 31, 1997 | 10D | April check payee: Abbr. | Janet R. Bender |
| Thu Mar 27, 1997 | 11D | Investigator's employer: Abbr. | Alex Vaughn |
| Mon Mar 10, 1997 | 50A | 1040 grp. | Gregory E. Paul |
| Tue Feb 18, 1997 | 21D | Apr. payee | F. Piscop |
| Sun Feb 9, 1997 | 11D | Major C.P.A. employer | D. Niles |
| Sun Jan 19, 1997 | 9D | Returns home? | B. Klahn |
| Wed Sep 11, 1996 | 20A | Its job is taxing | B. E. Quigley |
| Mon Aug 12, 1996 | 22D | Tax org. (5) | J. R. Bender |
| Wed Jul 24, 1996 | 60D | April initials (2) | A. Micci |
| Sat May 18, 1996 | 27A | Kind of agent (3) | M. Nosowsky |
| Mon May 6, 1996 | 55D | Tax people, for short | N. Steinberg |
| Wed Feb 7, 1996 | 11A | April 15 org. (3) | Frank A. Longo |
| Tue Dec 26, 1995 | 30D | 4/15 inits. | Jonathan Schmatzbach |
| Mon Dec 11, 1995 | 61A | Tax collector: Abbr. | Elizabeth C. Gorski |
| Sun Nov 26, 1995 | 34A | Apr. 15 harrier | Harvey Estes |
| Fri Aug 11, 1995 | 30A | Capone's nemesis | Martin Ashwood-Smith |
| Wed Jul 19, 1995 | 48D | Collection org. | Nancy S. Ross |
| Fri Apr 14, 1995 | 17A | Apr. collectors | Manny Nosowsky |
| Wed Apr 12, 1995 | 6D | Fed. collection agency | Rich Norris |
| Fri Dec 16, 1994 | 58A | Treasury dept. | A.J. Santora |
| Sun Jan 30, 1994 | 38D | Evaders' enemy | Alex K. Justin |
| Tue Jan 11, 1994 | 51A | Audit conductor, for short | Albert J. Klaus |
| Sun Nov 21, 1993 | 67A | Dept. of the Treasury div. | Peter Gordon |