Exclusion of liability of Authority
21.  The Authority shall not be liable in respect of any injury, loss or damage suffered by any person by reason of —
(a)any act, default, neglect or otherwise of any person licensed under section 26 or 42 or of any agent or employee of that person;
(b)any failure or delay in carrying out approval tests on any equipment;
(c)any loss of or damage to any equipment whilst the equipment is in the care, custody or control of the Authority; or
(d)any failure or malfunction of any equipment notwithstanding that the equipment has been approved for use by the Authority.