Defence says the state is erroneously attempting to appeal on a point of fact, and not on a point of law.
The athlete's lawyers filed their opposing papers today ahead of the leave to appeal application.
UK tabloids say Pistorius isn’t eligible for correctional supervision as a device can’t be fitted to his legs.
The NPA & Pistorius's legal team have about four weeks to prepare their arguments.
Pistorius's lawyers have indicated the NPA's application for leave to appeal will be challenged in court.
The defence team lodged papers with the court stating they intend opposing the appeal application.