16. Is there a limit on the amount a donor can contribute to a political party during an election?

Source: 

Transparency International Sri Lanka, 2025, Review of the Regulation of Election Expenditure Act No.3 of 2023 as per Standards for Integrity in Political Finance,  Transparency International Sri Lanka, Sri Lanka

Donations: The provision is silent about the donation limit, although there are provisions banning donations from certain sources.
 https://www.tisrilanka.org/wp-content/uploads/2025/06/Review-of-the-Regulation-of-Election.pdf

There is no such limit.