Mr Thomson is facing charges of two counts of dishonestly obtaining financial advantage by deception, publishing false and misleading material to obtain advantage and making false documents to obtain financial advantage.
On Tuesday, Thomson was arrested by police for allegedly breaching an apprehended violence order (AVO) involving his ex-wife.
The arrest was made at Wamberal, on the NSW Central Coast, just hours after Mr Thomson plead guilty to domestic violence charges.
On Tuesday, the 57-year-old admitted to sending 140 emails to his ex-wife, two of which were threatening.
Thomson was allegedly in breach of a new AVO placed on him by the court as a result of Tuesday’s hearing.
He was taken to Gosford Police Station where he is assisted with police inquiries.Police said the investigation was ongoing and further arrests were expected.
Thomson was the MP for Dobell from 2007 to 2013.
