Police made their 11th arrest of the race-fixing investigation, Operation Inca, yesterday.
A 71-year-old man is due to appear in the Christchurch District Court tomorrow on one deception charge.
Eleven people have now been charged in relation to the National Organised Crime Group investigation into alleged corruption in harness racing.
The remaining 10 people charged will also appear in the Christchurch District Court tomorrow.
Police began working on Operation Inca last April after receiving information from the Racing Integrity Unit (RIU).
Police used phone surveillance to collect evidence from five people alleged to have been involved in race-fixing.
They have been charged with being involved in or profiting from race-fixing, which is listed in court documents as match-fixing.
Nine people charged as part of Operation Inca were banned by the RIU from entering any racecourse in New Zealand.
However, trainers banned from tracks are still able to send their horses to race.
