18. Is there a limit on the amount a donor can contribute to a candidate?

"Section 327

(1) The campaign funding that comes from an individual as mentioned in Section 326 shall not exceed 2,500,000,000 IDR (two billion five hundred million rupiahs).

(2) The campaign funding that comes from a group, a company, or a non-governmental enterprise as mentioned in Section 326 shall not exceed 25,000,000,000 IDR (twenty billion five hundred million rupiahs).

Section 331

(1) The campaign funding for the election of the members of the People’s Representative Council, Provincial Regional Representative Council, and District/City Regional Representative Council that comes from party donations of other individuals as mentioned in Section 330 shall not exceed 2,500,000,000 IDR (two billion five hundred million rupiahs).

(2) The campaign funding for the election of the members of the People’s Representative Council, Provincial Regional Representative Council, and District/City Regional Representative Council that comes from party donations of other groups, companies, and/or a non-governmental enterprises as mentioned in Section 330 shall not exceed 25,000,000,000 IDR (twenty billion five hundred million rupiahs).

Section 333

(1) The campaign funding for the candidate of the election of members of the Regional Representative Council that comes from party donations of other individuals as mentioned in Section 332 (2) b shall not exceed 2,500,000,000 IDR (two billion five hundred million rupiahs).

(2) The campaign funding for the candidate of the election of members of the Regional Representative Council that comes from party donations of other groups, companies, and/or a non-governmental enterprises as mentioned in Section 332 (2) b shall not exceed 1,500,000,000 IDR (one billion five hundred million rupiahs)."

Source: Sections 327, 331, 333, General Election Law, 2017 (Unofficial translation by the researcher)

The amount is different depending upon the type of candidates.