40. If there are limits on the amount a political party can spend, what is the limit?

"b) Subject to the provisions of subsection (c), a party group or a new party group shall not make election expenses in an amount exceeding seventy financing units; c) (1) A party group which on the determining day numbered no more than five members of the Knesset, shall not make election expenses in an amount exceeding ten financing units; (2) A party group which on the determining day numbered more than five Knesset members but less than eleven, shall not make election expenses in an amount exceeding two times the amount of one financing unit for each member of the Knesset in that party group; (3) A party group which on the determining day shall consist of eleven or more members of the Knesset, shall not make election expenses in an amount exceeding twice the amount of one financing unit for each of the first ten Knesset members and one and a half from one financing unit for each of the remaining Knesset Members; (4) A list of candidates shall not spend election expenses in an amount exceeding ten financing units or the amount according to paragraphs (2) or (3), in accordance with the number of mandates it has won, whichever is higher; d) A party group shal not,l for one year, make on-going expenses in an amount exceeding 160% of the amount it entitled to for the financing of its on-going expenses... or in an amount exceeding 160% of the amount that a party group with five members of the Knesset is entitled to, whichever is greater."

Source: Article 7, Parties Financing Law, 1973.

The law states a ceiling for campaign and on-going spendings to parties - according to their size and (in case of campaign spending) seniority.