• The city of St. Paul, Minn., wanted to have an administratively imposed standard requiring a window in every bedroom that has 5 square feet of glazed surface and an opening at least 20 inches wide and 24 inches high.
• State law does not allow cities to supersede state code through ordinances, and a court ruled that they cannot do it through administrative regulations either.
• The city had begun to look hard at egress windows after a 2006 fire in which a man died in a basement.

From the article:

The [Minnesota] state Court of Appeals rejected St. Paul's attempt to adopt a policy on egress windows that was stricter than state law, saying city policy cannot conflict with state code. ...