1. A. License to Service or Repair Portable Fire Extinguishers. A license shall be obtained from the State Fire Marshal's Office by every individual, firm, or corporation commercially servicing, repairing, filling, or refilling portable fire extinguishers, except fire departments.

2. B. Sale of Portable Fire Extinguishers.

   1. (1) It is unlawful for a person, directly or through an agent, to sell or offer for sale in the State any make, type, or model of portable fire extinguisher, either new or used, unless the make, type, or model of extinguisher has been tested and listed by a testing laboratory accepted by the State Fire Marshal.

   2. (2) An extinguisher is not approved even if it bears the label of an accepted testing laboratory if it contains any of the following liquids:

      1. (a) Carbon tetrachloride, chlorobromomethane, azeotrophic chloromethane, dibromodifluoromethane, 1,2-dibromo-2-chloro-1,2-trifluoroethane;
      2. (b) 1,2-dibromo-2,2-difluoroethane, methyl bromide, ethylene dibromide;
      3. (c) 1,2-dibromotetrafluoroethane, hydrogen bromide, methylene bromide, bromodifluoromethane, dichlorodifluoromethane; or
      4. (d) Any other toxic or poisonous liquid.

Authority: Public Safety Article, §§6-206 and 6-501, Annotated Code of Maryland

Effective date: July 21, 1972

Regulations .01B, .13A, .15B, G, .16B, .18A, B, .22B, .23A—C, .26B, .29B—D, .33, .35B amended effective October 7, 1977 (4:21 Md. R. 1604)

Regulations .04—.14, .16—.35, and .41 amended effective August 30, 1982 (9:17 Md. R. 1709)

Regulation .14D adopted effective July 1, 1967

Regulations .15G, .16C, .18C, .22A, .29B, and .35B, E, F amended as an emergency provision effective February 23, 1978 (5:5 Md. R. 332); adopted permanently effective June 2, 1978 (5:11 Md. R. 885)

Regulation .16A amended effective April 9, 1984 (11:7 Md. R. 628)

Regulations .16B, .18A, E, .23, .26B, .29D amended effective May 14, 1975 (2:10 Md. R. 759)

Regulation .16B amended effective April 18, 1980 (7:8 Md. R. 772)

Regulation .23B amended effective August 22, 1980 (7:17 Md. R. 1672)

Regulation .26 amended effective December 7, 1981 (8:24 Md. R. 1936)

Regulation .30E adopted effective October 5, 1979 (6:20 Md. R. 1629); September 19, 1980 (7:19 Md. R. 1808)

Regulation .33 amended effective November 21, 1983 (10:23 Md. R. 2064)

Regulation .34 amended effective January 21, 1976 (3:2 Md. R. 87) and November 4, 1977 (4:23 Md. R. 1735)

Regulation .36 adopted effective April 27, 1977 (4:9 Md. R. 1719)

Regulation .36A, C amended effective October 7, 1977 (4:21 Md. R. 1604)

Regulation .37 adopted effective February 26, 1979 (6:4 Md. R. 227); amended effective October 5, 1979 (6:20 Md. R. 1629)

Regulation .37 (Cellulose and Foam Insulation) adopted as an emergency provision effective January 1, 1979 (6:1 Md. R. 15); emergency status withdrawn by AELR Committee for §B of this regulation effective February 1, 1979 (6:4 Md. R. 275); emergency status expired May 12, 1979

Regulation .38 adopted effective October 5, 1979 (6:20 Md. R. 1629)

Regulation .39 adopted effective October 31, 1980 (7:22 Md. R. 2074)

Regulation .40 adopted effective July 20, 1981 (8:14 Md. R. 1228)

Regulation .41 adopted effective October 12, 1981 (8:20 Md. R. 1636)

Regulation .42 adopted effective January 17, 1983 (10:1 Md. R. 32)

Chapter revised effective May 6, 1985 (12:9 Md. R. 812)

Regulation .06A amended effective July 28, 1986 (13:15 Md. R. 1735); July 24, 1989 (16:14 Md. R. 1568)

Regulation .06O amended effective October 5, 1987 (14:20 Md. R. 2143)

Regulation .06R adopted effective October 1, 1985 (12:19 Md. R. 1849)

Regulation .06S adopted effective March 7, 1988 (15:5 Md. R. 622)

Regulation .07B amended effective January 23, 1989 (16:1 Md. R. 72)

Chapter revised effective May 11, 1992 (19:9 Md. R. 879)

Regulation .09B amended effective November 22, 1993 (20:23 Md. R. 1805)

Regulation .10 adopted effective November 22, 1993 (20:23 Md. R. 1805)

Chapter revised effective December 4, 1995 (22:24 Md. R. 1897)

COMAR 12.03.01 repealed effective January 14, 1999 (26:1 Md. R. 25)

Regulations .01—.22 adopted effective January 14, 1999 (26:1 Md. R. 25)

Regulations .01—.22 repealed effective August 6, 2001 (28:15 Md. R. 1400)

Regulations .01—.17 adopted effective August 6, 2001 (28:15 Md. R. 1400)

Chapter revised effective August 1, 2004 (31:12 Md. R. 914)

Chapter revised effective January 1, 2007 (33:24 Md. R. 1907)

Regulation .02B amended effective January 1, 2010 (36:25 Md. R. 1956); January 1, 2013 (39:23 Md. R. 1533); January 1, 2016 (42:23 Md. R. 1436); October 7, 2019 (46:20 Md. R. 847); June 23, 2025 (52:12 Md. R. 599)

Regulation .03B repealed effective January 1, 2010 (36:25 Md. R. 1956)

Regulation .04D amended effective January 1, 2010 (36:25 Md. R. 1956)

Regulation .05B amended effective January 1, 2010 (36:25 Md. R. 1956); June 23, 2025 (52:12 Md. R. 599)

Regulation .06 amended effective January 1, 2016 (42:23 Md. R. 1436)

Regulation .06B amended effective January 1, 2010 (36:25 Md. R. 1956); October 7, 2019 (46:20 Md. R. 847); June 23, 2025 (52:12 Md. R. 599)

Regulation .06C amended effective January 1, 2010 (36:25 Md. R. 1956); January 1, 2013 (39:23 Md. R. 1533)

Regulation .07 amended effective January 1, 2010 (36:25 Md. R. 1956); January 1, 2013 (39:23 Md. R. 1533); January 1, 2016 (42:23 Md. R. 1436); October 7, 2019 (46:20 Md. R. 847); June 23, 2025 (52:12 Md. R. 599)

Regulation .08 amended effective January 1, 2010 (36:25 Md. R. 1956); January 1, 2013 (39:23 Md. R. 533); January 1, 2016 (42:23 Md. R. 1436); October 7, 2019 (46:20 Md. R. 847); June 23, 2025 (52:12 Md. R. 599)

Regulation .09 amended effective January 1, 2010 (36:25 Md. R. 1956); January 1, 2013 (39:23 Md. R. 533); January 1, 2016 (42:23 Md. R. 1436); October 7, 2019 (46:20 Md. R. 847); June 23, 2025 (52:12 Md. R. 599)

Regulation .09E amended as an emergency provision effective February 7, 2020 (47:10 Md. R. 514); emergency provision expired effective August 3, 2020

Regulation .09E amended effective August 10, 2020 (47:16 Md. R. 738)

Regulation .10 amended effective January 1, 2013 (39:23 1533); October 7, 2019 (46:20 Md. R. 847)

Regulation .11 amended effective January 1, 2010 (36:25 Md. R. 1956)

Regulation .11-1 adopted effective January 1, 2010 (36:25 Md. R. 1956)

Regulation .13 repealed effective January 1, 2016 (42:23 Md. R. 1436)

Regulation .14A amended effective January 1, 2010 (36:25 Md. R. 1956); January 1, 2013 (39:23 Md. R. 1533); January 1, 2016 (42:23 Md. R. 1436); October 7, 2019 (46:20 Md. R. 847); June 23, 2025 (52:12 Md. R. 599)