A proof of income letter, otherwise known as a salary verification letter, is an official document that proves you're currently employed and earning a salary. In this article, we share the steps for writing an application letter along with a template and an example for you to use when writing your own.The Work Opportunity Tax Credit (WOTC) is a federal tax credit available to employers who hire individuals from eligible target groups. A letter of explanation can clarify your financial situation and get you one step closer to qualifying for a mortgage. This guide describes how to apply for jobs using the Career Page web site. The process consists of the following steps: Get 10 tips for writing a strong cover letter for a job application in the USA. Find helpful templates and examples of cover letters. Browse 524 NORTH CAROLINA LETTER OF CREDIT SPECIALIST jobs from companies (hiring now) with openings. Find job opportunities near you and apply!