§457 Contributions. Use black or blue Ink when completing this form.Nassau County employees can access their 457b retirement accounts to check balances, view their retirement plan activity and more. • Select: REGISTER. Our vision is to transform financial lives through advice, people and technology. Our mission is to empower financial freedom for all. In order to file a SNAP recertification, it must have, at minimum, your name, address (if you have one) and signature below.