21.4 Notice to Independent Certifier
The Service Provider shall:
(a) give written notice to the Independent Certifier and the Authority of the commencement of the Service Provider Pre-Completion Commissioning;
(b) invite the Independent Certifier and the Authority Representative to witness all of the Service Provider Pre-Completion Commissioning;
(c) provide the Independent Certifier and the Authority Representative with all information they may reasonably require in relation to the Service Provider Pre‑Completion Commissioning; and
(d) invite the Independent Certifier to comment on the Service Provider Pre-Completion Commissioning.