NDAs, or non-disclosure agreements, are legally enforceable contracts that create a confidential relationship between a person who has sensitive information. These forms are the financial statements that set forth a full disclosure for each party of their respective income, expenses, assets and debts.An NDA is a legal agreement which defines information that the parties wish to protect from dissemination and outlines restrictions on use. Non-disclosure agreements (NDAs) are legal contracts used to protect confidential and proprietary information shared between parties. Subject to the terms and conditions of this Agreement, the City agrees not to disclose such Confidential Materials to third parties. Disclosure agreement (NDA), also known as a confidentiality agreement, is a legal document. Establishing a confidential relationship between two parties. A nondisclosure agreement (NDA) is a legally binding contract that establishes a confidential relationship between two parties. An employer might use a nondisclosure agreement (NDA) to stop an employee or worker sharing information. Mandatory disclosure requires each party in a family matter to provide the other party with certain financial information and documents.