Within 21 days after the change, a licensee shall submit to the Secretary written notice of: the addition of a branch office; and a change in the address of the private home detention monitoring agency or branch office. The licensee shall submit with the notice: a photocopy of the agency license certificate; and if the proposed change affects an existing branch office, a photocopy of the branch office certificate for that office. The Secretary shall issue a new agency license certificate and, if applicable, a new branch office certificate, both of which shall set forth the same expiration date as the original agency license certificate.