As per LTA, any vehicle with a P registration can be rented out for self drive to another person on weekends & public holidays. In case the vehicle is R or Z registered, then it can be rented out anytime.
From Oct 15th 2019 until Oct 15th 2020 Drive lah has received an exclusive exemption order for rentals of p-registered cars during weekdays. See more information here:

It is the responsibility of the hosts to ensure that they adhere to the above LTA regulation.

Did this answer your question?