The Licensable Commercial And Private Inquiry (CAPI) Agent Activities Operator and Master Licences according to the CAPI page on the NSW Police website are:
Operator and Master licences are issued to individuals and businesses respectively in all or any combination of the following CAPI activities.
Commercial Agent Activities
Process Serving Authorises the licensee to undertake any activity on behalf of a second person (not being his or her employer), that involves serving legal process in relation to legal proceedings regardless of which jurisdiction the legal proceedings will be held.
Debt Collection Authorises the Licensee to undertake any activity;1. on behalf of a second person (not being his or her employee), in the exercise of their rights under a debt owed by a third person, 2. on his or her own behalf in the exercise of rights acquired from a second person (otherwise than in the course of an acquisition or merger of business interests) under a debt owed by a third person,
being an activity that involves finding the third person or requesting, demanding or collecting from them money due under the debt.
Repossession of Goods Authorises the licensee to undertake any activity on behalf of a second person (not being his or her employer), that involves finding goods held by a third person or requesting, demanding or seizing such goods.
Private Inquiry Agent Activities Investigation of Persons Authorises the licensee to undertake any activity on behalf of a second person (not being his or her employer), that involves finding a third person, or investigating a third person's business or personal affairs.
Surveillance of Persons Authorises the licensee to undertake any activity on behalf of a second person (not being his or her employer), that involves the surveillance of a third person.