COOK ISLANDS - CRIMES ACT 1969
PART IV - PARTIES TO THE COMMISSION OF OFFENCES
68. Parties to offences - (1) Every one is a party to and guilty of an offence who-
(a) Actually commits the offence; or
(b) Does or omits an act for the purpose of aiding any person to commit the offences; or
(c) Abets any person in the commission of the offence; or
(d) Incites, counsels, or procures any person to commit the offence.
(2) Where two or more persons form a common intention to prosecute any unlawful purposes and to assist each other therein, each of them is a party to every offence committed by any one of them in the prosecution of the common purpose if the commission of that offence was known to be a probable consequence of the prosecution of the common purpose.
Individual criminal responsibility
EDIT.