The applicant for a community currency exchange license shall have a permanent address as evidenced by a lease of at least 6 months duration or other suitable evidence of permanency, and the license issued, pursuant to the application shall be valid only at that address in the application or any new address approved by the Secretary. A letter of intent for a lease shall suffice for inclusion with the application, and evidence of an executed lease shall be considered ministerial in nature, to be furnished once the investigation is completed and the approval is final and prior to the issuance of the license.