Individuals with access to Washington State Department of Revenue's. Confidential Information must complete and sign this form.Easy-to-use WA NDA template. Get a legally written Washington Non-Disclosure Agreement Template for free! Use a Washington NonDisclosure Agreement to protect your confidential information and trade secrets. Download a free template here. The Washington State. Department of Transportation has prepared Asset Vulnerability Assessment documents. Once you have obtained the Washington Non-disclosure Agreement form, you'll need to complete it accurately to ensure its validity. Create Washington NDA or confidentiality agreement to protect non public business information.