Club's bill rejected (3)
I believe the answer is:
Here is my best explanation:
'club's' is the definition.
(bat is a kind of club)
'bill rejected' is the subsidiary indication.
'bill' becomes 'tab' (tab is a kind of bill).
'rejected' says the letters should be written in reverse.
'tab' back-to-front is 'bat'.
(Other definitions for bat that I've seen before include "Small flying mammal, may be vampire", "A small winged mammal", "Club used in cricket", "Pipistrelle", "A small flying mammal", "Night-flyer", "A flying mammal - may be vampire", "Night-flying mammal", "Small winged mammal, may be vampire" and "Wooden implement for cricket".)