Mentioned bill? Not during date (6)
I believe the answer is:
voiced
'mentioned' is the definition.
(voice can mean to mention or express)
I can't explain the rest of the clue.
Can you help me to learn more?
(Other definitions for voiced that I've seen before include "Sounded, uttered" , "Said aloud" , "Gave expression to, spoke" , "Uttered, expressed" , "Expressed in speech" .)