Then you fill out a standard leave request form, submit it and wait for approval. It's usually a very quick process with little, if any, drama.Creating a return to work plan? Learn how to draft a thorough return to work letter using solid tips and a free template. When you grant an employee's leave request, you must inform the employee that you guarantee to reinstate the employee to the same or comparable position. Be Clear and Concise: Clearly state your intention to return, the reason for your leave, and your readiness to resume duties.