2011 CFAI AM - Q1 - Revocable / Irrecovable?

Q1.A.i - Ans to Objective 1 is - Revocable. I just can’t wrap around this one.

I definitely though it wad irrecovable.

Any ideas what’s going on there?

http://www.analystforum.com/forums/cfa-forums/cfa-level-iii-forum/91309082

Asked before…