Annual awards shall be disbursed in two installments, one per semester. Before disbursing an award, the Office may require an institution to certify, in the form and manner requested by the Office, that a recipient has met certain eligibility requirements for the award. In addition to any certification required under §B of this regulation, before disbursement of a renewal award, an institution shall certify, in the form and manner requested by the Office, that a recipient maintained a cumulative GPA of at least 2.5 on a 4.0 scale. An award will not be disbursed by the Office until all required certification is received. An institution shall provide certification to the Office and request payment for all recipients on a semester basis, no later than: December 15, for the fall semester; and May 15, for the spring semester. An institution that fails to timely certify and request payment for all recipients under §D of this regulation may not certify recipients for the subsequent semester until all prior semester awards have been certified and disbursed.