Commonwealth Electoral Act 1918

A person shall not ask for, receive or obtain, or offer or agree to ask for, or receive or obtain, any property or benefit of any kind, whether for the same or any other person, on an understanding that:

any vote of the first‑mentioned person;

any candidature of the first‑mentioned person;

any support of, or opposition to, a candidate, a group of candidates or a political party by the first‑mentioned person;

the doing of any act or thing by the first‑mentioned person the purpose of which is, or the effect of which is likely to be, to influence the preferences set out in the vote of an elector; or

the order in which the names of candidates nominated for election to the Senate whose names are included in a group in accordance with section 168 appear on a ballot paper;

A person shall not, with the intention of influencing or affecting:

any vote of another person;

any candidature of another person; or

any support of, or opposition to, a candidate, a group of candidates or a political party by another person;

the doing of any act or thing by another person the purpose of which is, or the effect of which is likely to be, to influence the preferences set out in the vote of an elector; or

the order in which the names of candidates for election to the Senate whose names are included in a group in accordance with section 168 appear on a ballot paper;

This section does not apply in relation to a declaration of public policy or a promise of public action.