# COMAR Title 09 — Maryland Department of Labor

## Subtitle 15 — State Board of Heating, Ventilation, Air-Conditioning, and Refrigeration Contractors

### Chapter 05 — Compliance with International Mechanical Code

**Authority:** Business Regulation Article, §§9A-205 and 9A-310(a)(1)(iii), Annotated Code of Maryland

**Administrative History:** Effective date:

**Administrative History:** Regulations .01—.03 adopted as an emergency provision effective February 1, 1996 (23:4 Md. R. 267); adopted permanently effective July 1, 1996 (23:13 Md. R. 943)

**Administrative History:** Regulations .01—.03 amended affective May 18, 1998 (25:10 Md. R. 746); June 25, 2001 (28:12 Md. R. 1106)

**Administrative History:** Regulation .01 amended effective June 24, 2013 (40:12 Md. R. 1042); April 13, 2026 (53:7 Md. R. 326)

**Administrative History:** Regulation .01A amended effective December 16, 2019 (46:25 Md. R. 1131)

**Administrative History:** Regulation .01B amended effective April 12, 2004 (31:7 Md. R. 584)

**Administrative History:** Regulation .01C adopted as an emergency provision effective October 25, 2001 (28:24 Md. R. 2125); adopted permanently effective March 18, 2002 (29:5 Md. R. 502)

**Administrative History:** Regulation .02 amended effective June 24, 2013 (40:12 Md. R. 1042)

**Administrative History:** Regulation .02C, E amended effective December 16, 2019 (46:25 Md. R. 1131)

**Administrative History:** Regulation .02C, H amended effective April 12, 2004 (31:7 Md. R. 584)

**Administrative History:** Regulation .02 repealed effective April 13, 2026 (53:7 Md. R. 326)

**Administrative History:** Regulation .03 amended effective June 24, 2013 (40:12 Md. R. 1042)

**Administrative History:** Regulation .03A amended effective December 16, 2019 (46:25 Md. R. 1131)

**Administrative History:** Regulation .03F amended effective April 12, 2004 (31:7 Md. R. 584)

**Administrative History:** Regulation .03 repealed effective April 13, 2026 (53:7 Md. R. 326)

#### Regulation .01 Incorporation by Reference.

*COMAR 09.15.05.01*

A. In this chapter, the documents set forth in §B of this regulation are adopted.

B. In compliance with Business Occupations and Professions Article, §§12-101(p) and 12-205(a), Annotated Code of Maryland, the Board adopts the most recent version of the following Codes as they may be amended, modified, or updated from time to time:

  (1) International Mechanical Code (International Code Council, 500 New Jersey Ave., N.W., 6th Floor, Washington, D.C. 20001), which has been incorporated by reference in COMAR 09.12.50.02-1B(5); and

  (2) International Residential Code for One- and Two-Family Dwellings (International Code Council, 500 New Jersey Ave., N.W., 6th Floor, Washington, D.C. 20001), which has been incorporated by reference in COMAR 09.12.50.02-1B(4) and 09.12.51.04A(2) except Chapters 1—11 and 25—44.

C. The requirements of this chapter do not apply to work areas subject to the Maryland Building Rehabilitation Code as adopted by the Department of Labor under Public Safety Article, §12-1004, Annotated Code of Maryland, except as provided by that Code.