According to VIC Law for the charge of Threats to sabotage,

Crimes Act 1958 - SECT 247L

Threats to sabotage

247L. Threats to sabotage

(1) A person who-

(a) makes to another person a threat to damage a public facility by committing a property offence or by causing an unauthorised computer function; and

(b) intends that person to fear that the threat will be carried out and will cause-

(i) major disruption to government functions; or

(ii) major disruption to the use of services by the public; or

(iii) major economic loss- is guilty of an offence and liable to level 4 imprisonment (15 years maximum).

(2) In the prosecution of an offence against this section it is not necessary to prove that the person threatened actually feared that the threat would be carried out.

(3) For the purposes of this section-

(a) a threat may be made by any conduct and may be explicit or implicit, conditional or unconditional; and

(b) a threat to a person includes a threat to a group of persons; and

(c) fear that a threat will be carried out includes apprehension that it will be carried out.

According to VIC Law for the charge of Threats to sabotage,

15 years

1.  that the accused made a threat to another person;
2.  the threat was to damage a public facility by committing a property offence or by causing an unauthorised computer function; and
3.  the accused intended that that other person would fear that the threat would be carried out and would cause:

(i) major disruption to government functions; or
(ii) major disruption to the use of services by the public; or
(iii) major economic loss.

1. Factual Dispute

(i) Lack of intent

(ii) Threatened disruption not capable of causing major disruption or major economic loss

2. Duress

County Court