I was impressed by the effort that Ankur put into his answer to my question "Bringing items into China for a friend - what to expect at customs?", so I created a bounty so that I could award extra reputation as a way of thanking him for his help.
As the reason for my bounty, I specified, "One or more of the answers is exemplary and worthy of an additional bounty":
When I went to award the bounty, however, I noticed that I still have to wait 24 hours:
Is this really necessary, seeing as how I started the bounty specifically to award it to an existing answer?