Learn how to write Office Leave Letter. You can use this sample Office Leave Letter format directly as well. Your name Your Address Your City state, zip Your Phone number, Your Email Date Name Position, Department Office address, City, State,Zip. Re Annual leave letter Dear name, I am writing this letter to apply for the annual leave of four weeks which I can avail as per the company policy. I have not availed any of the leaves from past six months so I would like to apply for leave starting from date( ). The main reason for this leave is that I have to be with my father for an open heart surgery. I am the only son and I remember informing you that the operation is to be conducted in the dates I applied for leave, I would like to be with my father for a month as this operation requires two months rest and care. I wish to be with him during the operation and after care for at least a month. I will make sure that I hand over all my responsibilities to another employee from our and explai...