@John ******
you are totally wright. I believe most visas throughout the rest of the world works differently. For example, if you have a 6 month multi entry visa, you can leave and come back as you wish during this 6 month period, but the end date of your visa does not change. With this visa, the end date changes with your entries. If you have already dealt with this type of visa, you realise that the DTV has unusual rules compared to other countries.