However, a person who becomes a member on or after July 1, 2010, or a member who does not have at least 60 months of creditable service as of January 1, 2013, under this chapter shall be allowed to retire under this subdivision prior to his normal retirement date only if the person is in service and has attained his sixtieth birthday with five or more years of creditable service, and the benefit for such person shall be calculated in accordance with the provisions of subdivision A 3 of § 51.1-155.
Va. Code § 51.1-153