The Washington Addendum To Confidential Information Form is a document used to supplement a Confidential Information Form in the state of Washington. It is used to provide additional information securely for the purpose of protecting confidential information from unauthorized disclosure. There are two types of Washington Addendum To Confidential Information Form: 1. The Washington Addendum to Non-Disclosure Agreement: This form is used to supplement a non-disclosure agreement between two parties. It allows the parties to provide additional confidential information without it being disclosed to any other party. 2. The Washington Addendum to Confidentiality Agreement: This form is used to supplement a confidentiality agreement between two parties. It allows the parties to provide additional confidential information without it being disclosed to any other party. The Washington Addendum to Confidential Information Form is intended to protect confidential information from unauthorized access and disclosure. It is important to ensure that all information provided is accurate and up to date.