Washington Certification is a form of certification required by the state of Washington to verify the authenticity of documents. It is also known as a Certificate of Authentication and is used to prove the documents are official and valid. It is typically used for official documents such as birth certificates, marriage certificates, and death certificates. Certificate of Service is a document issued by the Washington Secretary of State to certify that a document has been properly served, or delivered, to the parties involved in a legal action. It is also used to show that the document has been received and accepted by the court. Different types of Washington Certification and Certificate of Service include: Notary Public Certification, Certificate of Authentication, Certificate of Good Standing, Certificate of Incorporation, and Certificate of Authority.