Some of the key requirements which you have to comply with are:
You are required to use the Option to Purchase and Sale and Purchase Agreement prescribed under the Sale of Commercial Properties Rules in the sale of the units. The Controller has pre-approved a list of amendments to the prescribed forms. You can adopt the pre-approved amendments without seeking approval from the Controller.
You are required to comply with the Sale of Commercial Properties (Anti-Money Laundering and Terrorism Financing) Rules and other relevant legislations relating to anti-money laundering and terrorism financing in the sale of units. Read here for details.
Developers should read these rules from Singapore Statutes Online to ensure full compliance.