The gathering and disclosure of such evidence, including the contents of the telephone messages received or overheard, does not violate any law of this State. Delaware also has a business use exception to the law similar to Maryland's. Civil action is also authorized. Florida has a business use exception to the law similar to Maryland's. Violating the statute is a third degree felony.
Civil action is authorized.
In Illinois, even a party to a conversation may not record that conversation unless every party to the conversation consents. Of course, there's a difference between wilful and intentional. The threshold is much higher than simply an intentional act. Here, Maryland requires an intentional violation or a reckless disregard of a known legal duty or when the law makes knowledge of some requirement an element of the offense. It is totally incorrect to say that ignorance of such a law is no excuse or that everyone is presumes to know the law.