Commonwealth Consolidated Regulations Commonwealth Consolidated Regulations(1) Any evidence given in support, or in rebuttal, of a matter stated in a certificate given under regulation 99.280 or 99.285 must be considered on its merits, and the credibility and probative value of such evidence must be neither increased nor diminished because of this Subpart.
(2) The evidential burden in rebutting a matter stated in a certificate given under regulation 99.280 or 99.285 is on the balance of probabilities.