You will require this registration if you intend to form a limited liability partnership or an incorporated limited partnership between two or more people / corporations.
A limited liability partnership is a business with 2 or more people which limits the liability of the limited partners. It must have at least 1 general partner and at least 1 limited partner.
An incorporated limited partnership is a business with 2 or more people which is its own legal entity. A legal entity has a lower financial and managerial risk level for limited partners. This helps to protect their personal assets. As a legal entity, an incorporated limited partnership is responsible for all of its debts and obligations.