Letter must state your name, position, title, job duties, dates of employment, and full or part-time status - including the number of hours worked per year. Need to provide proof of employment status?Use this sample employment verification letter to create your own. Each County Department handles their own employment verification. You can contact the respective department directly, using the contact information below. When submitting Forms I864 or I134, an employment verification letter can help show that the beneficiary has adequate financial support.