An Amended Application For Certificate of Authority To Transact Business In Michigan is a document that allows a business to make changes to its corporate structure and/or operations in the state of Michigan. It is typically required when a business expands its operations into a new jurisdiction, changes its name, adds new partners/members, or merges with another business. There are two types of Amended Application For Certificate of Authority To Transact Business In Michigan: an Original Amended Application and an Amended Application to Change Registered Office. The Original Amended Application is used to register a business in Michigan for the first time, while the Amended Application to Change Registered Office is used to make changes to an existing business’s registered office address.