"Calendar quarter" just means one of the standard quarters (i.e. 1/1-3/31, 4/1-6/30, 7/1-9/30, and 10/1-12/31). So not a quarter that starts 2/1, 5/1, 8/1, etc. or some other arbitrary range. The phase out because the 2nd "calendar quarter" after 200k is reached. So if they "deliver" #200,000 to...