Under MOT Order 2021 No. 15, what is the statutory rule regarding the transfer, lending, or subleasing of a Taxi Driver Qualification Certificate (出租汽车驾驶员从业资格证)?

1. A driver may lend their certificate to immediate family members for temporary weekend shifts
2. A driver may sublease their certificate to another licensed driver upon written company notification
3. It is strictly forbidden to transfer, lease, lend, alter, or forge the qualification certificate to allow another person to drive commercially
4. A driver may share the certificate with an apprentice driver undergoing practical training