The cite you're looking for is rule 9-1-1b. "The free thrower shall not fake a try, nor shall any player in a marked lane space fake to cause an opponent to violate."
This is a hold-over rule from when players (except the shooter) could enter the lane upon the release of the try. The intent of the rule is to prohibit the shooter from deceiving the defense into a violation.
Since the defense can't enter until the ball hits the rim anyway, this fake should not have any affect on them. This is why it's generally allowed.
At the NCAA and NBA levels, players are allowed to enter the lane on the release, so the fake is probably illegal there as well.
__________________
Sprinkles are for winners.
|