What types of CPF contributions will be deducted?

For platform workers who are mandated or opt in to increased CPF contributions, Ordinary, Special, and MediSave contributions will be deducted. For platform workers who do not opt in, only MediSave contributions will be deducted.  

Where can I find more information?

Saving as a Platform Worker with CPF – link here Write to CPF – link here Platform Worker CPF Contribution Calculator – link here Platform Workers CPF Transition Support Calculator – link here