How To Write Address On Courier Box In India . How to address mail to australia. Here's how to complete their information: Preparing and Addressing Outgoing Mail from ors.od.nih.gov If the recipient has a po box or bulk user code, don’t repeat details of the geographic address. To subscribe to a po box, a few forms have to be filled out and a. Putting these important pieces of information in plain sight will make the letter easier to sort and deliver.