That's not how I understood a calendar year. I get what you're saying but I thought a calendar year is a 12 month period beginning Jan 1. In my mind to say the reward lasts 2 calendar years would imply that if you meet the requirement in November it doesn't start until the next January and then lasts two years. I get what you're saying now though. I think the most clear way to phrase it is that it lasts the rest of the calendar year in which is is achieved and all of the following calendar year.