Learn how to write a short notice resignation letter with this stepbystep guide, template and examples of formal resignation. Apply for experience cirtificate to HR department and obtain an acknowledgement.You must explain why you need the experience certificate in your request letter. These sample letters show how to write a Request Letter for Experience Certificate from your employer. They include different examples for various situations. The following are the things to keep in mind when writing an immediate resignation letter: Write the date first. Explain only necessities. Here are ten free and readytouse work experience certificate samples. You can also download the below samples to customize them as per requirements. The letter requests the employer issue the experience certificate to help with future job opportunities after Y number of years have passed since resigning.