An employment verification letter, or proof of employment, indicates that you are a New York State employee and in some cases states your salary. Need to provide proof of employment status?Use this sample employment verification letter to create your own. A letter of confirmation of employment can help staff members secure loans, earn promotions, acquire better employment or maintain citizenship. 1. Enter the employee's full name. What form(s) do I need to fill out? What document(s) do I need to bring? Need to offer proof of employment or income? This template makes it simple to create an employment or income verification letter for you or your employees. 1. Enter the current date.