Woodrow explained to you in his first couple of posts, remember? The rule that governs this situation is that each player makes calls on her side of the net unless an official observes a bad call or late call. Done and done.
As far as whether the Section backed something up, we would need to know what exactly the Section was told. If the Section received bad information, that would explain why they would get it wrong. Garbage in, garbage out.
-- Random Error Generator, Version 4.0
-- Master Moonballer