NDAs, or non-disclosure agreements, are legally enforceable contracts that create a confidential relationship between a person who has sensitive information. A nondisclosure agreement (NDA) is a legally binding contract that establishes a confidential relationship between two parties.Disclosure agreement (NDA) is a legal contract that outlines confidential materials, information and knowledge between two or more parties. An NDA is a legal document that protects your business information and trade secrets from vendors, employees, and third parties. Confidentiality and. Non Disclosure Agreement. Disclosure agreement (NDA) form is a binding contract that establishes confidentiality obligations between two or more parties. Print and complete the form you need, then return it to the address noted on the form. Local Commercial Vehicle - Definition. Application for Missouri Title and License (Form 108).