Oklahoma Change or Designation of Resident Agent and/or Registered Office and/or Principal Office is a process to update the contact information of a business entity in the state. This is done when a business entity wants to change its registered office, principal office, or resident agent. This process is required to keep the business entity’s records up-to-date with the Secretary of State. There are three main types of Oklahoma Change or Designation of Resident Agent and/or Registered Office and/or Principal Office: 1. Change of Registered Office: This is when a business entity wishes to change the address of its registered office. 2. Change of Principal Office: This is when a business entity wishes to change the address of its principal office. 3. Designation of Resident Agent: This is when a business entity wishes to designate a resident agent who will be responsible for accepting service of process on behalf of the business entity.