A public employee is not liable for an injury caused by his issuance, denial, suspension or revocation of or by his failure or refusal to issue, deny, suspend or revoke, any permit, license, certificate, approval, order, or similar authorization where he is authorized by enactment to determine whether or not such authorization should be issued, denied, suspended or revoked.
(Added by Stats. 1963, Ch. 1681, Sec. 1.)