A reference can be made during the pendency:
1
The subordinate court refers the case to the high court for the latter's opinion on a question of law.
2
The subordinate court refers the case to the high court for the latter's opinion on a question of evidence
3
The subordinate court refers the case to the high court for the latter's opinion on a question of fact
4
The subordinate court refers the case to the high court for the latter's opinion on a question of court procedure.