The 2003 Michigan Residential Code is based on the 2003 International Residential Code with amendments, additions and deletions incorporated into the text of the code.

From the State of Michigan:
Amendments to the Construction Code Rules (Michigan Residential Code) are effective February 29, 2004. All units of government who administer and enforce a construction code in the state of Michigan are required to use the rules promulgated under 1972 PA 230, the Stille-DeRossett-Hale Single State Construction Code Act. The Act was amended by 1999 PA 245, effective December 28, 1999, requiring the use of the State Codes as they are updated by rules promulgated after October 15, 1999.

R 408.30401 of the Michigan Administrative Code adopts by reference the 2003 International Residential Code, as published by the International Code Council, Inc. The subsequent rules either add, amend or delete certain provisions of the International Residential Code.

The 2003 Michigan Residential Code Rule 401 states: The provisions of the International Residential Code, 2003 edition, including appendices A, B, C, D, E, F, G, J, K and L, except for Sections R104.8, R108.2 to R108.5, R112.3, N1101 to N1104.1, Tables N1101.2, N1102.1, N1102.1.1.1(1), N1102.1.1.1(2), N1102.1.1.2, N1102.4, N1103.1, N1103.5 and N1104.1, Sections P2503.8, P2709.2.1, AJ102.4, and ICB-2003, ICC EC-2003, IECC-2003, IMC-2003, IPC-2003, NFPA 70-02 listed in Chapter 43 govern the construction, alteration, relocation, demolition, use and occupancy of buildings and structures, and, with exceptions noted, the International Residential Code as adopted by reference in these rules.