Definition - What does Legal Instrument mean?
A legal instrument is a document that contains legally binding information. For example, a formal contract would be a legal instrument, as well as leases and deeds.
Legal instruments often require various signatures in order to be valid and to hold up in a court of law.
Justipedia explains Legal Instrument
Legal instruments are essentially a way for the courts to have proof that certain legally binding agreements have actually taken place. They also serve the same purpose for the parties involved in the contract, deed, etc.
Whenever a dispute involving a legally binding agreement is brought to the court, the legal instrument may be cited. The wording of the instrument often has strong implications for the result of trials involving agreements.