D.C. Code § 47-4221
(b) Relief for reasonable cause is available for the following penalties:
June 9, 2001, D.C. Law 13-305, § 403(b), 48 DCR 334
Apr. 4, 2003, D.C. Law 14-282, § 11(zz), 50 DCR 896
For temporary (90 day) amendment of section, see § 12(iii) of Tax Clarity and Related Amendments Congressional Review Emergency Act of 2002 (D.C. Act 14-510, October 23, 2002, 49 DCR 10247).
For temporary (90 day) amendment of section, see § 12(iii) of Tax Clarity and Related Amendments Emergency Act of 2002 (D.C. Act 14-456, July 23, 2002, 49 DCR 8107).
For temporary (90 day) amendment of section, see § 12(hhh) of Tax Clarity and Recorder of Deeds Emergency Act of 2002 (D.C. Act 14-381, June 6, 2002, 49 DCR 5674).
For temporary (90 days) amendment of this section, see § 201(b) of COVID-19 Response Emergency Amendment Act of 2020 (D.C. Act 23-247, Mar. 17, 2020, 67 DCR 3093).
For temporary (90 days) amendment of this section, see § 207(d) of Coronavirus Support Emergency Amendment Act of 2020 (D.C. Act 23-326, May 27, 2020, 67 DCR 7045).
For temporary (90 days) amendment of this section, see § 207(d) of Coronavirus Support Congressional Review Emergency Amendment Act of 2020 (D.C. Act 23-328, June 8, 2020, 67 DCR 7598).
For temporary (90 days) amendment of this section, see § 207(d) of Coronavirus Support Second Congressional Review Emergency Amendment Act of 2020 (D.C. Act 23-405, Aug. 19, 2020, 67 DCR 10235).
For temporary (225 day) amendment of section, see § 12(iii) of Tax Clarity and Related Amendments Temporary Act of 2003 (D.C. Law 14-228, March 23, 2003, law notification 50 DCR 2741).
For temporary (225 day) amendment of section, see § 12(iii) of Tax Clarity and Recorder of Deeds Temporary Act of 2002 (D.C. Law 14-191, October 5, 2002, law notification 49 DCR 9549).
For temporary (225 days) amendment of this section, see § 207(d) of Coronavirus Support Temporary Amendment Act of 2020 (D.C. Law 23-130, Oct. 9, 2020, 67 DCR 8622).
D.C. Law 14-282 made nonsubstantive changes in subsecs. (b)(4) and (b(5); and added subsec. (b)(6).