By Peter Wilson and Sarah Robson
The man who claims Colin Craig filed a false election return has handed over dossiers of documents to the police and the Electoral Commission.
John Stringer alleges the former Conservative Party leader falsified the return because he had spent at least $2000 more than the legal limit of $25,700 in the East Coast Bays electorate, where he stood as a candidate in last year's election.
Mr Stringer, who was Mr Craig's campaign manager, announced yesterday he had filed complaints with the police and the Electoral Commission.
Police said they were waiting for further documents before assessing the complaint and deciding what further steps, if any, would be taken.
The Electoral Commission confirmed it had received Mr Stringer's complaint.
On Tuesday Mr Stringer confirmed to NZ Newswire that he had handed them over to both agencies.
"The police and the Electoral Commission are now reviewing all the documents," he said.
"The police are treating this matter seriously and professionally."
Mr Craig strongly denies the allegation.
"There is a dirty politics campaign against me, and this is more of the same," he said on Monday.
"I am confident the returns I filed are accurate and I am more than happy to answer any questions that may be asked."
The maximum penalty for deliberately filing a false election return is two years in jail and/or a $100,000 fine.
Mr Craig stood down from the party leadership in June amid publicity over his relationship with his former press secretary, Rachel MacGregor.
The party's board disintegrated and Mr Stringer appointed himself acting chairman, a position he subsequently relinquished.
Since then Mr Stringer has made numerous assertions about Mr Craig's behaviour.
Mr Craig has filed defamation proceedings seeking a total $1.5 million from Mr Stringer, Whale Oil blogger Cameron Slater and the Taxpayer Union's Jordan Williams for allegedly spreading rumours he sexually harassed Ms MacGregor.