All 17 of the states that have issued advisory opinions on cloud computing agree that lawyers must do their due diligence on the cloud services they want to use. (lawyerist.com)
I have asked for advisory opinions in a number of different instances now. (law.stackexchange.com)
But a 2009 advisory opinion by the state's attorney general said that without an arrest or criminal charge, the police could not hold onto their weapons. (nytimes.com)