The formulation of these regulations does not preclude the Commission from altering or amending them in whole or in part, or from requiring any other or additional service, equipment, facility, or standard, either upon complaint or upon its own motion, or upon the application of a motor vehicle owner. Furthermore, these standards do not relieve an owner or operator of any motor vehicle from any of his duties under any orders of the Commission which are not in conflict with these regulations or under the laws of this State.

Authority: Public Utilities Article, §§2-113, 2-121, 4-503, 5-101, 5-106, 9-101—9-103, 9-201—9-205, 9-207, 10-101—10-104, 10-104.1, 10-105, 10-106, 10-108, 10-401—10-407, 13-101, 13-201, and 13-202; State Government Article, §7-207(a); Annotated Code of Maryland

Effective date: January 1, 1928 (Order No. 12184)

Regulation .03 amended effective December 9, 1991 (18:24 Md. R. 2646); June 7, 1993 (20:11 Md. R. 916); July 31, 1995 (22:15 Md. R. 1122)

Regulation .03B amended effective March 28, 2016 (43:6 Md. R. 411); February 26, 2018 (45:4 Md. R. 207)

Regulation .04 amended effective October 25, 1929 (Order No. 15012); June 7, 1993 (20:11 Md. R. 916); July 31, 1995 (22:15 Md. R. 1122)

Regulation .05 repealed effective January 20, 1992 (19:1 Md. R. 35)

Regulation .05 adopted effective June 7, 1993 (20:11 Md. R. 916)

Regulation .06 amended effective January 23, 1981 (8:2 Md. R. 117)

Regulation .06 repealed and new Regulation .06 adopted effective January 20, 1992 (19:1 Md. R. 35)

Regulation .06 amended as an emergency provision effective June 15, 2001 (28:15 Md. R. 1395); emergency status expired December 15, 2001

Regulation .06 amended effective March 28, 2016 (43:6 Md. R. 411)

Regulation .06A amended effective June 15, 1998 (25:12 Md. R. 948)

Regulation .06B amended effective November 9, 1992 (19:22 Md. R. 1989); June 7, 1993 (20:11 Md. R. 916); August 15, 1994 (21:16 Md. R. 1390); December 24, 2005 (28:25 Md. R. 2194); June 20, 2005 (32:12 Md. R. 1047); March 26, 2007 (34:6 Md. R. 629)

Regulation .06C adopted effective June 7, 1993 (20:11 Md. R. 916)

Regulation .06C amended effective February 13, 2006 (33:3 Md. R. 244)

Regulation .07 repealed and new Regulation .07 adopted effective June 7, 1993 (20:11 Md. R. 916)

Regulation .08 repealed and new Regulation .08 adopted effective June 7, 1993 (20:11 Md. R. 916)

Regulation .08 amended effective December 27, 1999 (26:26 Md. R. 1959)

Regulation .08B, C, D, E amended effective March 28, 2016 (43:6 Md. R. 411)

Regulation .08F, G, H, I, J adopted effective March 28, 2016 (43:6 Md. R. 411)

Regulation .09 repealed and new Regulation .09 adopted effective June 7, 1993 (20:11 Md. R. 916)

Regulation .09 repealed effective March 28, 2016 (43:6 Md. R. 411)

Regulation .10 repealed and new Regulation .10 adopted effective June 7, 1993 (20:11 Md. R. 916)

Regulation .11 repealed and new Regulation .11 adopted effective June 7, 1993 (20:11 Md. R. 916)

Regulation .11 amended as an emergency provision effective June 15, 2001 (28:15 Md. R. 1395)

Regulation .11 amended effective March 28, 2016 (43:6 Md. R. 411); February 26, 2018 (45:4 Md. R. 207); February 7, 2022 (49:3 Md. R. 139)

Regulation .11A amended effective March 26, 2007 (34:6 Md. R. 629)

Regulation .11B amended effective December 24, 2001 (28:25 Md. R. 2194)

Regulation .12 repealed and new Regulation .12 adopted effective June 7, 1993 (20:11 Md. R. 916)

Regulation .12 amended effective March 28, 2016 (43:6 Md. R. 411)

Regulation .12C adopted effective October 25, 1929 (Order No. 15012)

Regulations .13 repealed effective June 7, 1993 (20:11 Md. R. 916)

Regulations .14 repealed effective June 7, 1993 (20:11 Md. R. 916)

Regulations .15 repealed effective June 7, 1993 (20:11 Md. R. 916)

Regulation .15D, E amended effective January 1, 1932 (Order No. 17987)

Regulation .15F amended effective January 23, 1981 (8:2 Md. R. 117)

Regulation .15G adopted effective May 10, 1935 (Order No. 26943)

Regulation .15L, M adopted effective January 1, 1932 (Order No. 17987)

Regulation .16 amended effective January 23, 1981 (8:2 Md. R. 117)

Regulations .16 repealed effective June 7, 1993 (20:11 Md. R. 916)

Regulation .17 adopted effective April 15, 1991 (18:7 Md. R. 774)

Regulation .17 amended effective December 9, 1991 (18:24 Md. R. 2646)

Regulation .17 repealed effective July 31, 1995 (22:15 Md. R. 1122)

Regulation .18 adopted effective December 9, 1991 (18:24 Md. R. 2646)

Regulation .18A amended effective April 10, 1995 (22:7 Md. R. 539)

Regulation .18B amended effective September 28, 1992 (19:19 Md. R. 1714)

Regulation .19 adopted effective April 10, 1995 (22:7 Md. R. 539)

Regulation .19A, B amended effective March 28, 2016 (43:6 Md. R. 411)

Regulation .19B amended effective June 17, 1996 (23:12 Md. R. 873)

Regulation .19C repealed effective March 11, 1996 (23:5 Md. R. 384)

Regulation .19C, D adopted effective March 28, 2016 (43:6 Md. R. 411)

Regulations .20—.25 adopted effective March 28, 2016 (43:6 Md. R. 411)

Regulation .22F amended effective February 26, 2018 (45:4 Md. R. 207)

Regulation .23C amended effective February 26, 2018 (45:4 Md. R. 207)

Regulation .24C, F amended effective February 26, 2018 (45:4 Md. R. 207)

Regulation .26 adopted effective February 26, 2018 (45:4 Md. R. 207)