International Residential Code
Montana: International Residential Code, lead only
ICC’s code adoption map shows Montana on the 2021 IRC. Montana’s own records for the IRC have not been read yet.
Tracker reading
Edition a tracker lists
2021 IRC
Lead only
How it was checked
Lead only
A tracker lists this edition. Nobody has checked it against the state’s own record yet.
What the trackers say
Code adoption trackers are a cross-check. They are not Montana’s own record.
ICC’s code adoption mapCross-check
2021 IRC
Row “State Montana 21 21 21 21 21 21 21 21 21 21 21”; IRC = 2nd value