Employment contracts typically set out the term or length of employment, compensation and benefits, job duties, and circumstances for termination. Bill advancing in Minnesota would ban most noncompete agreements between employers and employees or independent contractors.Definition: A Perpetual NDA has no expiry date, meaning that the obligations of confidentiality continue indefinitely. A confidentiality or non-disclosure agreement is considered a type of "restrictive covenant" under Minnesota law. Confidentiality agreements are very useful to prevent unauthorized disclosures of information, but they have inherent limitations and risks. An NDA is a legally binding contract between two parties to keep any chosen information between them selfcontained.