initiation of debate; moving into deliberation
Used especially in parliamentary or formal committee contexts when a matter is formally taken up for discussion.
The bill is expected to be taken up for debate tomorrow.
The initiation of debate on the budget proposal is being delayed.
採決 is 'voting' or 'taking a vote', which often follows 審議入り in parliamentary procedure.
Compound of 審議 (deliberation) + 入り (entering), literally 'entering deliberation'.