A state's political donation and campaign funding laws have been ruled constitutionally invalid, in a case that could have national implications.In a landmark 71-page judgment today, the High Court struck out Victoria's Australian-first political donation rules.The court found part 12 of the Electoral Act, which regulates political donations and election expenditure, "impermissibly burdens" the Australian constitution's implied freedom of political communication.READ MORE: US commanders say no ships have passed naval blockade of Iranian portsThe High Court held the visa refusal