In this article, we discuss what a contract for an employment offer is, review how to write one and give a template and example to help you create your own. For more information on how to complete work registration requirements, please visit the Job Registration user guide.Follow these step-by-step instructions to create job-offer letters that reduce legal risks. Links to sample letters are included. Find a template for the. Employer Certification Letter template at phila. This guide describes how to apply for jobs using the Career Page web site. The process consists of the following steps: Here's a template you can use for your proof of employment letter: Download the TemplateTemplate PDF. Learn what to include in a job offer letter and use our ready made template.