Individuals with access to Washington State Department of Revenue's Confidential Information must complete and sign this form. Use a Washington NonDisclosure Agreement to protect your confidential information and trade secrets.Download a free template here. The Act makes it illegal for an employer to request an employee to sign a prohibited contract or attempt to enforce a noncompliant agreement. The obligations of the Parties shall be to hold and maintain the Confidential. The starting point for creating an employee nondisclosure agreement is to identify what information is protected. This bill greatly expands the scope of claims that cannot be included in nondisclosure agreements with Washington workers. Create Washington NDA or confidentiality agreement to protect non public business information. Washington's NDA restrictions are probably the most extensive. The starting point for creating an employee nondisclosure agreement is to identify what information is protected.