A mid-sized incumbent local exchange carrier, as defined in § 32.9000 of this chapter, shall file a certification with the Commission stating that it is complying with § 64.901. The certification must be signed, under oath, by an officer of the mid-sized incumbent LEC, and filed with the Commission on an annual basis at the time that the mid-sized incumbent LEC files the annual reports required by § 43.21(e)(2) of this chapter.