A Comfort or No-Action Letter

A comfort or no-action letter

A) is a document,written by a government official,assuring two or more businesses that their proposed merger is lawful.
B) is a formal document written by one level of government to another that provides an assurance that the constitutional validity of a piece of legislation will not be questioned on the grounds of ultra vires.
C) is a document,usually illegal or unenforceable,that is written by a consumer and that assures a retailer or manufacturer that a product that caused an injury or loss will not be the subject of a claim in tort or contract.
D) is a document that is written by a government official and that assures the parties to a proposed sale of land that the land will not be the subject of environmental litigation.
E) a letter from a judge saying the company is not guilty of any offence.