A Hawaii Certificate of Service is a legal document issued by the state of Hawaii that verifies that a person or business has met the necessary requirements for public service. It is a document of proof issued to those who have completed a specific term of service or program for the state. There are two types of Hawaii Certificate of Service: a Civil Service Certificate of Service and a Professional Service Certificate of Service. The Civil Service Certificate of Service is issued to individuals who have completed a term of service of two or more years in a civil service position in the state of Hawaii. The Professional Service Certificate of Service is issued to those who have completed a term of service of two or more years in a professional service position in the state of Hawaii. Both certificates serve as proof of service and demonstrate an individual's commitment to public service.