The Rules and Regulations portion of the “Charter, By-Laws Rules and Regulations of the United States Trotting Association 2005” is incorporated by reference into these rules, but where there is conflict or inconsistency with the numbered Maryland Harness Racing Rules which follow in this chapter, the provisions of the numbered Maryland Harness Racing Rules shall prevail. The rules shall govern harness racing and those licensed for harness racing at all meetings in the State which are licensed by the Commission.

Authority: Business Regulation Article, §§11-210 and 11-634, Annotated Code of Maryland

Effective date: All rules were in effect on 7/1/70, unless otherwise noted below:

Regulation .01 amended as an emergency provision effective October 16, 1984 (11:22 Md. R. 1895); emergency status expired April 16, 1985; adopted permanently effective May 20, 1985 (12:10 Md. R. 960)

Regulation .02 amended effective March 30, 1977 (4:7 Md. R. 579)

Regulation .02C amended effective 6/15/79 (6:12 Md. R. 1048); repealed effective June 7, 1982 (9:11 Md. R. 1127)

Regulation .03E: 8/3/72

Regulation .03P amended effective July 27, 1987 (14:15 Md. R. 1659)

Regulation .03U amended effective January 2, 1984 (10:26 Md. R. 2340)

Regulation .03W: 7/8/71

Regulation .03X adopted effective 6/15/79 (6:12 Md. R. 1048)

Regulation .03Y adopted as an emergency provision effective January 23, 1990 (17:3 Md. R. 294); emergency status expired March 31, 1990; adopted permanently effective June 11, 1990 (17:11 Md. R. 1342)

Regulation .04 repealed effective 1/1/78 (4:7 Md. R. 579)

Regulation .07 amended effective 6/15/79 (6:12 Md. R. 1049)

Regulation .08-1 adopted effective May 19, 1978 (5:10 Md. R. 781)

Regulation .09K adopted effective March 30, 1977 (4:7 Md. R. 579) (adopted as COMAR 09.10.209.02)

Regulation .10G adopted effective January 7, 1991 (17:26 Md. R. 2975)

Regulation .11A amended effective March 30, 1977 (4:7 Md. R. 579)

Regulation .11D amended 4/6/74; amended 4/16/75 (2:8 Md. R. 564); amended effective 9/23/77 (4:19 Md. R. 1467); 6/15/79 (6:12 Md. R. 1049); October 17, 1980 (7:21 Md. R. 1994); October 17, 1980 (7:21 Md. R. 1994); August 26, 1985 (12:17 Md. R. 1705)

Regulation .11G amended as an emergency provision effective June 9, 1987 (14:14 Md. R. 1564) (Emergency provisions are temporary and not printed in COMAR)

Regulation .11G amended effective 6/15/79 (6:12 Md. R. 1049); October 17, 1980 (7:21 Md. R. 1994); October 19, 1987 (14:21 Md. R. 2223); June 11, 1990 (17:11 Md. R. 1342)

Regulation .11K adopted effective August 26, 1985 (12:17 Md. R. 1704); amended effective March 24, 1986 (13:6 Md. R. 681); March 6, 1989 (16:4 Md. R. 496)

Regulation .11L adopted effective June 11, 1990 (17:11 Md. R. 1342)

Regulation .12 amended effective October 6, 1978 (5:20 Md. R. 1499)

Regulation .14C adopted effective March 30, 1977 (4:7 Md. R. 579) (adopted as COMAR 09.10.213.03)

Regulation .15I adopted effective November 16, 1987 (14:23 Md. R. 2413)

Regulation .17B amended effective May 19, 1978 (5:10 Md. R. 781)

Regulation .19A amended effective January 1, 1978 (4:7 Md. R. 579)

Regulation .21 amended as an emergency provision effective March 16, 1976 (3:8 Md. R. 424)

Regulation .21 amended effective March 30, 1977 (4:7 Md. R. 579); January 7, 1982 (8:26 Md. R. 2105)

Regulation .22 amended as an emergency provision effective May 24, 1989 (16:10 Md. R. 1101); emergency status extended at 16:23 Md. R. 2503

Regulation .22A amended effective October 15, 1990 (17:20 Md. R. 2425)

Regulation .24A amended effective March 24, 1986 (13:6 Md. R. 681)

Regulation .24B repealed effective March 30, 1977 (4:7 Md. R. 579)

Regulation .24B adopted effective May 19, 1986 (13:10 Md. R. 1155)

Regulation .24I amended effective February 28, 1983 (10:4 Md. R. 315)

Regulation .25A amended effective 6/15/79 (6:12 Md. R. 1049)

Regulation .31B: 8/14/71

Regulation .34 amended effective June 15, 1979 (6:12 Md. R. 1049); December 30, 1985 (12:26 Md. R. 2544)

Regulation .35 repealed effective July 10, 1989 (16:13 Md. R. 1420)

Regulation .36 repealed effective December 30, 1985 (12:26 Md. R. 2544)

Regulation .37B amended effective 3/30/77 (4:7 Md. R. 579)

Regulation .37F adopted effective December 30, 1985 (12:26 Md. R. 2544)

Regulation .39I amended 9/9/74 (1:1 Md. R. 16)

Regulation .41C repealed effective March 30, 1977 (4:7 Md. R. 579)

Regulation .41G: 7/21/76 (3:15 Md. R. 790)

Regulation .41J adopted as an emergency provision effective April 12, 1985 (12:9 Md. R. 806); emergency status expired September 1, 1985

Regulation .41J, K adopted effective October 7, 1985 (12:20 Md. R. 1924)

Regulation .42: 10/29/75 (2:24 Md. R. 1481)

Regulation .42: 7/21/76 (3:15 Md. R. 790)

Regulation .43A—K: 7/22/72

Regulation .43C, F, L amended effective May 19, 1978 (5:10 Md. R. 781)

Regulation .43L: 7/22/72; amended 5/1/74

Regulation .43M: 7/22/72

Regulation .43 amended effective January 28, 1985 (12:2 Md. R. 137); June 30, 1986 (13:13 Md. R. 1491); January 1, 1988 (14:26 Md. R. 2744); March 18, 1991 (18:5 Md. R. 594)

Regulation .45C amended effective March 30, 1977 (4:7 Md. R. 579)

Regulation .45F amended effective December 30, 1985 (12:26 Md. R. 2544)

Regulation .49: 9/9/71

Regulation .50: 9/23/74 (1:1 Md. R. 16)

Regulation .50C amended as an emergency provision effective March 9, 1978 (5:6 Md. R. 463); adopted permanently effective July 19, 1978 (5:14 Md. R. 1137)

Regulation .52 adopted effective November 2, 1979 (6:22 Md. R. 1778); repealed effective December 20, 1982 (9:25 Md. R. 2479)

Regulation .52 adopted as an emergency provision effective May 19, 1986 (13:12 Md. R. 1370); adopted permanently effective October 20, 1986 (13:21 Md. R. 2320)

Regulation .53 adopted effective January 7, 1982 (8:26 Md. R. 2106); amended effective January 28, 1985 (12:2 Md. R. 137); June 30, 1986 (13:13 Md. R. 1491); January 1, 1988 (14:26 Md. R. 2744); May 15, 1989 (16:9 Md. R. 994); September 4, 1989 (16:17 Md. R. 1884); February 4, 1991 (18:2 Md. R. 149); March 18, 1991 (18:5 Md. R. 594)

Regulation .54 adopted effective July 30, 1984 (11:15 Md. R. 1329); amended effective May 19, 1986 (13:10 Md. R. 1155)

Regulation .55 adopted effective March 25, 1985 (12:6 Md. R. 595)

Regulation .56 adopted as an emergency provision effective January 14, 1987 (14:2 Md. R. 124); emergency status expired May 15, 1987; adopted permanently effective July 27, 1987 (14:15 Md. R. 1660)

Regulation .57 adopted as an emergency provision effective March 31, 1989 (16:8 Md. R. 904); emergency status expired October 31, 1989

Regulation .57 adopted as an emergency provision effective May 25, 1990 (17:14 Md. R. 1754); emergency status expired November 25, 1990 (Emergency provisions are temporary and not printed in COMAR)

Chapter revised effective May 27, 1991 (18:10 Md. R. 1116)

Regulation .01 amended effective January 16, 2006 (33:1 Md. R. 36)

Regulation .02A, C, E amended effective May 27, 1991 (18:10 Md. R. 1116)

Regulations .02—.06 repealed effective April 10, 1995 (22:7 Md. R. 595)

Regulation .02 adopted effective November 18, 1996 (23:23 Md. R. 1556)

Regulation .03P amended effective October 1, 1992 (19:17 Md. R. 1656)

Regulation .07 amended effective August 26, 1996 (23:17 Md. R. 1247)

Regulation .08B amended effective October 14, 1991 (18:20 Md. R. 2198)

Regulation .08C-1 adopted effective July 4, 1994 (21:13 Md. R. 1155)

Regulation .08D amended as an emergency provision effective April 15, 1999 (26:10 Md. R. 793); amended permanently effective August 23, 1999 (26:17 Md. R. 1321)

Regulation .08D—F amended effective October 12, 1992 (19:20 Md. R. 1814)

Regulation .08F adopted effective October 7, 1996 (23:20 Md. R. 1421)

Regulation .08G adopted as an emergency provision effective December 1, 2013 (40:26 Md. R. 2161); adopted permanently effective March 17, 2014 (41:5 Md. R. 342)

Regulation .08H adopted as an emergency provision effective May 25, 2022 (49:13 Md. R. 686); adopted permanently effective September 19, 2022 (49:19 Md. R. 867)

Regulations .09 and .10 repealed effective April 10, 1995 (22:7 Md. R. 595)

Regulation .10G amended effective October 1, 1992 (19:18 Md. R. 1656)

Regulation .10H adopted effective March 16, 1992 (19:5 Md. R. 576)

Regulation .11H amended effective October 14, 1991 (18:20 Md. R. 2198)

Regulation .11K amended as an emergency provision effective September 23, 1991 (18:21 Md. R. 2301); amended permanently effective March 16, 1992 (19:5 Md. R. 576)

Regulation .11L amended as an emergency provision effective February 15, 1991 (18:5 Md. R. 591); amended permanently effective July 8, 1991 (18:13 Md. R. 1481)

Regulation .11 repealed effective January 2, 1994 (20:26 Md. R. 2026)

Regulations .12 and .13 repealed effective April 10, 1995 (22:7 Md. R. 595)

Regulation .15 amended effective May 10, 1993 (20:9 Md. R. 778); February 13, 1995 (22:3 Md. R. 152); August 26, 1996 (23:17 Md. R. 1247)

Regulation .16-1 adopted effective January 2, 1994 (20:26 Md. R. 2026)

Regulation .18 repealed effective April 10, 1995 (22:7 Md. R. 595)

Regulation .18 adopted effective October 9, 1995 (22:20 Md. R. 1542)

Regulation .19 amended effective April 10, 1995 (22:7 Md. R. 535); October 20, 1997 (24:21 Md. R. 1448); January 1, 2017 (43:21 Md. R. 1165)

Regulation .19A amended effective January 1, 1992 (18:25 Md. R. 2750); January 1, 1996 (22:10 Md. R. 706)

Regulation .19A amended as an emergency provision effective September 14, 1995 (22:20 Md. R. 1539); emergency status expired December 31, 1995; adopted permanently effective January 29, 1996 (23:2 Md. R. 94)

Regulation .19A, C amended effective October 13, 2014 (41:20 Md. R. 1112)

Regulations .20 and .21 repealed effective April 10, 1995 (22:7 Md. R. 595)

Regulation .24 amended effective March 22, 1999 (26:6 Md. R. 484)

Regulation .24B amended effective October 9, 1995 (22:20 Md. R. 1542)

Regulation .24I amended effective March 16, 1992 (19:5 Md. R. 576)

Regulation .25B amended effective March 22, 1999 (26:6 Md. R. 484); March 23, 2020 (47:6 Md. R. 341)

Regulation .25B amended as an emergency provision effective May 25, 2022 (49:13 Md. R. 686); amended permanently effective September 19, 2022 (49:19 Md. R. 867)

Regulation .26 amended effective May 10, 1993 (20:9 Md. R. 778)

Regulation .28 repealed effective February 24, 1997 (24:4 Md. R. 291)

Regulation .29 repealed effective April 10, 1995 (22:7 Md. R. 595)

Regulation .31 repealed effective April 10, 1995 (22:7 Md. R. 595)

Regulation .33B amended effective December 18, 1995 (22:25 Md. R. 1961)

Regulation .33H amended effective May 22, 1995 (22:10 Md. R. 706); November 27, 2000 (27:23 Md. R. 2147); March 4, 2002 (29:4 Md. R. 416); September 19, 2022 (49:19 Md. R. 867)

Regulation .33I amended effective May 22, 1995 (22:10 Md. R. 706)

Regulation .33J adopted as an emergency provision effective April 24, 1992 (19:8 Md. R. 800); adopted permanently effective September 14, 1992 (19:18 Md. R. 1656)

Regulation .36 adopted effective March 1, 1995 (21:26 Md. R. 2185)

Regulation .36D amended effective January 16, 2006 (33:1 Md. R. 36)

Regulation .37A—F amended and I, J adopted effective October 24, 1994 (21:21 Md. R. 1813)

Regulation .37D repealed effective August 26, 1996 (23:17 Md. R. 1247)

Regulation .37H amended effective September 27, 1993 (20:19 Md. R. 1471)

Regulation .39 repealed and new Regulation .39 adopted effective January 29, 1996 (23:2 Md. R. 94)

Regulation .39B amended effective July 29, 1996 (23:15 Md. R. 1087)

Regulation .40 amended effective February 17, 1992 (19:3 Md. R. 303)

Regulation .40 repealed effective April 10, 1995 (22:7 Md. R. 595)

Regulation .41D, E repealed effective April 10, 1995 (22:7 Md. R. 595)

Regulation .42 repealed effective April 10, 1995 (22:7 Md. R. 595)

Regulation .43 amended as an emergency provision effective July 1, 1991 (18:14 Md. R. 1604); amended permanently effective September 16, 1991 (18:18 Md. R. 2004)

Regulation .43A amended effective October 1, 1992 (19:18 Md. R. 1656)

Regulation .43F-2 and K amended effective October 12, 1992 (19:20 Md. R. 1814)

Regulation .43L amended effective January 18, 1993 (20:1 Md. R. 26)

Regulation .43 repealed and new Regulation .43 adopted effective October 6, 1997 (24:20 Md. R. 1403)

Regulation .43 amended as an emergency provision effective January 1, 2005 (32:1 Md. R. 24); amended permanently effective March 28, 2005 (32:6 Md. R. 635)

Regulation .43 amended as an emergency provision effective July 20, 2009 (36:17 Md. R. 1309); amended permanently effective November 16, 2009 (36:23 Md. R. 1816)

Regulation .43 amended effective July 30, 2018 (45:15 Md. R. 724); November 1, 2024 (51:19 Md. R. 854)

Regulation .43C amended effective December 24, 2012 (39:25 Md. R. 1611)

Regulation .43E amended effective October 24, 2005 (32:21 Md. R. 1707)

Regulation .43F amended effective April 16, 2001 (28:7 Md. R. 689); October 24, 2005 (32:21 Md. R. 1707)

Regulation .43K amended effective September 21, 2009 (36:19 Md. R. 1436); June 8, 2015 (42:11 Md. R. 723); November 19, 2018 (45:23 Md. R. 1070)

Regulation .43Q amended as an emergency provision effective February 1, 2002 (29:3 Md. R. 213); amended permanently effective May 27, 2002 (29:10 Md. R. 826)

Regulation .43Q, U amended as an emergency provision effective July 1, 2013 (40:15 Md. R. 1226); amended permanently effective October 14, 2013 (40:20 Md. R. 1651)

Regulation .43U amended effective May 8, 2006 (33:9 Md. R. 796); June 8, 2015 (42:11 Md. R. 723)

Regulation .45A amended effective May 22, 1995 (22:10 Md. R. 706)

Regulation .45F amended as an emergency provision effective July 17, 2006 (33:16 Md. R. 1362); amended permanently effective July 31, 2006 (33:15 Md. R. 1279)

Regulation .45U amended effective March 16, 1992 (19:5 Md. R. 576)

Regulation .46B amended effective March 16, 1992 (19:5 Md. R. 576)

Regulation .50C repealed effective October 9, 2006 (33:20 Md. R. 1615)

Regulation .50H amended and H-1 adopted as an emergency provision effective May 1, 1992 (19:8 Md. R. 799); amended permanently effective September 14, 1992 (19:18 Md. R. 1656)

Regulation .50K repealed effective March 13, 1995 (22:5 Md. R. 366)

Regulation .51 repealed effective March 2, 1999 (26:6 Md. R. 484)

Regulation .52C repealed effective October 9, 2006 (33:20 Md. R. 1615)

Regulation .53D amended effective October 12, 1992 (19:20 Md. R. 1814); January 18, 1993 (20:1 Md. R. 26); August 14, 1995 (22:16 Md. R. 1220)

Regulation .53D and E amended as an emergency provision effective February 7, 1992 (19:4 Md. R. 467); amended permanently effective March 16, 1992 (19:5 Md. R. 576)

Regulation .53D, G amended as an emergency provision effective July 1, 1991 (18:14 Md. R. 1604); amended permanently effective October 14, 1991 (18:20 Md. R. 2198)

Regulation .53F amended effective January 18, 1993 (20:1 Md. R. 26)

Regulation .53G, H amended effective August 17, 1992 (19:16 Md. R. 1473)

Regulation .53J amended effective October 12, 1992 (19:20 Md. R. 1814)

Regulation .53J amended as an emergency provision effective May 25, 1995 (22:12 Md. R. 896); emergency status expired September 25, 1995

Regulation .53 repealed and new Regulation .53 adopted effective October 6, 1997 (24:20 Md. R. 1403)

Regulation .53 amended as an emergency provision effective January 1, 2005 (32:1 Md. R. 24); amended permanently effective March 28, 2005 (32:6 Md. R. 636)

Regulation .53 amended as an emergency provision effective January 1, 2005 (32:1 Md. R. 24)

Regulation .53 amended as an emergency provision effective July 20, 2009 (36:17 Md. R. 1309); amended permanently effective November 16, 2009 (36:23 Md. R. 1816)

Regulation .53 amended effective July 30, 2018 (45:15 Md. R. 724); November 1, 2024 (51:19 Md. R. 854)

Regulation .53C amended as an emergency provision effective February 12, 1998 (25:5 Md. R. 366); amended permanently effective May 4, 1998 (25:9 Md. R. 678)

Regulation .53D amended effective April 16, 2001 (28:7 Md. R. 689)

Regulation .53E amended effective March 23, 2020 (47:6 Md. R. 341)

Regulation .53I amended effective October 24, 2005 (32:21 Md. R. 1707)

Regulation .53J amended effective April 16, 2001 (28:7 Md. R. 689); October 24, 2005 (32:21 Md. R. 1707)

Regulation .53O amended effective September 21, 2009 (36:19 Md. R. 1436); June 8, 2015 (42:11 Md. R. 723); November 19, 2018 (45:23 Md. R. 1070)

Regulation .53T—V amended as an emergency provision effective February 1, 2002 (29:3 Md. R. 213); amended permanently effective May 27, 2002 (29:10 Md. R. 826)

Regulation .53U amended effective May 8, 2006 (33:9 Md. R. 796)

Regulation .53U, AA amended as an emergency provision effective July 1, 2013 (40:15 Md. R. 1226); amended permanently effective October 14, 2013 (40:20 Md. R. 1651)

Regulation .53AA amended effective May 8, 2006 (33:9 Md. R. 796); June 8, 2015 (42:11 Md. R. 723)

Regulation .53-1 adopted effective October 14, 2013 (40:20 Md. R. 1651)

Regulation .53-1G amended effective July 30, 2018 (45:15 Md. R. 724); November 19, 2018 (45:23 Md. R. 1070)

Regulation .54-1 adopted effective October 6, 1997 (24:20 Md. R. 1403)

Regulation .55C repealed effective October 9, 2006 (33:20 Md. R. 1615)

Regulation .56C repealed effective October 9, 2006 (33:20 Md. R. 1615)

Regulation .56Q amended and Q-1 adopted as an emergency provision effective May 1, 1992 (19:8 Md. R. 800); adopted permanently effective September 14, 1992 (19:18 Md. R. 1656)

Regulation .56T adopted as an emergency provision effective November 6, 1992 (19:24 Md. R. 2124); emergency status expired November 7, 1992

Regulation .56 repealed and new Regulation .56 adopted effective November 18, 1996 (23:23 Md. R. 1556)

Regulation .57 adopted as an emergency provision effective November 15, 1993 (20:25 Md. R. 1936); emergency status expired May 1, 1994

Regulation .57 adopted effective February 23, 1998 (25:4 Md. R. 243)

Regulation .57 amended effective March 20, 2000 (27:5 Md. R. 583); July 9, 2001 (28:13 Md. R. 1215)

Regulation .57 amended as an emergency provision effective July 17, 2006 (33:16 Md. R. 1362); amended permanently effective July 31, 2006 (33:15 Md. R. 1280)

Regulation .58 adopted effective February 23, 1998 (25:4 Md. R. 243)

Regulation .58B repealed effective October 9, 2006 (33:20 Md. R. 1615)

Regulation .59 adopted effective October 1, 2001 (28:19 Md. R. 1684)

Regulation .60 adopted effective July 30, 2018 (45:15 Md. R. 724)

Regulation .60F amended effective May 2, 2022 (49:9 Md. R. 531)

Regulation .61 adopted effective July 30, 2018 (45:15 Md. R. 724)

Regulation .62 adopted effective April 19, 2021 (48:8 Md. R. 308)

Regulation .62H amended effective May 2, 2022 (49:9 Md. R. 531)