It is alleged that they “without reasonable cause, being the principal donor of a donation of more than £500 to a registered party, namely Northampton South Conservative Association, failed to ensure that, at the time when the donation was received by the party, the party was given all such details in respect of the person treated as making the recordable donation as were required by virtue of paragraph 2 or 2A of Schedule 6 to the Political Parties, Elections and Referendums Act 2000”.