Louisiana State Uniform Construction Code (2009 IRC Adoption):
Newly constructed one- and two-family dwellings and townhomes of not more than three stories are required to install CO alarms outside of each separate sleeping area in the immediate vicinity of bedrooms. (Effective date: January 1, 2011)
Louisiana State Uniform Construction Code (2012 IRC Adoption):
When alternations, repairs or additions occur or where one ore more sleeping rooms are added in existing dwellings that have attached garageds or within which fuel fired appliances exist, carbon monoxie alarms shal be provided.