You become a member of the OMC when you purchase a unit in a multi-unit development. This occurs automatically, indicating that you have legal rights and responsibilities. Your solicitor will obtain a copy of your membership or share certificate when you purchase your home. This is a crucial legal document that validates your membership in the OMC as the owner of a unit. You have a say in how the common areas are managed as a member of the OMC. If you are chosen as a Director of the OMC, you will be involved in the company's management.   You have several responsibilities as a member of an OMC, including:   - To pay Management Fees - To pay Sinking Fund Contributions - To be subjected to House Rules