B. The general registrar is authorized to set within his jurisdiction ongoing locations and times for registration in local or state government agency offices or in businesses or other establishments open to the general public, subject to the approval of, and pursuant to an agreement with, the head of the government agency, the owner or manager of the business or establishment, or the designee of either. The agreement shall provide for the appointment of employees of the agency, business, or establishment to serve as deputy registrars and shall be in writing and approved by the local electoral board prior to implementation. Employees of the agency, business, or establishment who are appointed to serve as deputy registrars may be nonresidents of the jurisdiction they are appointed to serve, provided that (i) they are qualified voters of the Commonwealth and (ii) they serve only at their place of employment within the jurisdiction they are appointed to serve.