56. Which institution(s) is responsible for examining financial reports and/or investigating violations?

"Where a political party or organisation does not submit its audited accounts under subsection (4) the Electoral Commission may order the accounts of a political party or organisation to be audited by an auditor appointed by the Electoral Commission and also require the political party or organisation to file with the Electoral Commission the audited accounts at a time specified by the Electoral Commission."

(Section 12(6), the Political Parties and Organisations Act, 2005). 

The Electoral Commission can appoint auditors to check political party financial reports.