Originally Posted by
voop
.... spend at least 50 nights within one calendar year at ICHG properties. It's no hard and fast rule, however, only ICHG knows for sure.....(e.g. I routinely stay at >3IC and >50 nights at ICHG each year, but have not been "upgraded" to RA despite this being a pattern for a while...)
It is not in a calendar year but rather in your Ambassador year. Also stays before you buy the IC Ambassador doesn't seem to count. I made this mistake when I first joined PC and didn't buy AMB immediately.