What score on part 1 of the Ordinance No. 41 exam is required before the sitting as a whole can be passed?

1. Exactly 50 of 60 multiple-choice items, with open questions unmarked
2. A combined 70% across all 80 part-1 items
3. More than 50 of 60 multiple-choice items and 15 of the 20 open questions
4. 32 of 40 case-study points only