Section 3 of the Principal Act is amended as follows:

(a) by inserting the following definition after the definition of act :

adverse finding means a finding of a Commission under section 19 that is adverse to the interests of a person;

(b) by omitting the definition of misconduct and substituting the following definition:

misconduct means conduct by a person that could reasonably be considered likely to result in a criminal charge, civil liability, disciplinary proceedings, or other legal proceedings, being brought against that person in respect of the conduct;

(c) by inserting the following definitions after the definition of officer of the Commission :

reasonable excuse , in relation to an act by a person, means –

(a) if the person is a witness, or providing information, to a Commission, an excuse that would excuse the act by a witness in proceedings of a similar nature in a court of law; or

(b) if the person is the subject of a notice, or warrant in relation to a Commission, an excuse that would excuse the act by a person summoned before a court of law in proceedings of a similar nature in the court; or

(c) in any case, an excuse that the Commission considers reasonable in the circumstances in relation to the act by the person;

vehicle includes an aircraft and a vessel.