Except as otherwise provided in this section, a license or registration authorizes the licensee or registrant to practice psychology while the license or registration is effective. An individual licensed by the Board is authorized to use the words “psychological”, “psychologist”, or “psychology” to describe the services the individual provides, for purposes of reimbursement, but not for any other purpose, if: The individual originally was certified without examination because the individual had at least 25 years of experience as an instructor in psychiatry on the teaching staff of an accredited school of medicine in this State and applied for certification without examination before January 1, 1979; and When the individual was certified, the Board stipulated that the use of those words by the individual was so limited.