Cease and desist

[Kai]

when a large corporation contacts you with the direct [instructions] to stop doing something and not do it again. generally because they have [legal rights] to object you are [copying] or distributing.

[Tariq Zaki]

A legal term literally meaning, stop what(ever) your doing and dont do it again. Hence, [cease] meaning to stop, and [desist] meaning to not do again in the future.

Usually used by a person or party against another person or party when they are doing something that they find: offensive, strange, [violating], embarrassing, shady, etc.

[Agnes]

to stop doing something, such as operating a business, because of a legal order or because of the threat of legal action: