I have resigned on _____ date because ______(reasons). Can anybody give me format of Resignation letter and Experince certificate?In this article, we explain what a resignation letter is, why they're important, provide steps for writing it, and give you a template and examples. The letter should be written to the human resources department or your senior to issue an experience certificate on your behalf. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward. Talk to the new company's HR and tell them that your previous company will issue you the experience certificate in 45 days time. Steps to be appointed a notary public. Download Notary Application.