(1) A certificate that:
(a) purports to be signed by a member of the Council, or by the NEPC Executive Officer; and
(b) states that the Council has done any act or thing or formed any opinion;
is, on mere production, receivable as prima facie evidence that the Council has done the act or thing or formed the opinion.
(2) An act or thing done by the Council (whether by resolution, instrument or otherwise) does not cease to have effect merely because of a change in the Council's membership.