Brief mention here:
https://liveandletsfly.boardingarea....rogatory-verb/
Scroll down to the comments:
Robert Vander Zanden REPLY
March 10, 2019 at 7:07 pm
I cot BONVOID also. Using points, I booked two nights in St. Augustine, Florida. After I got home, I saw that I was also billed. After several calls to Bonvoy, the result is the disappearance of the points and the charge stayed. Wonderful!