Drug Free Sport
Tennis NZ falls under the jurisdiction of Drug Free Sport NZ.
Drug Free Sport NZ's mission is to provide a sporting environment free of banned doping methods for NZ sport and athletes. Drug testing can be done at all National and International competitions. They can also test on behalf of WADA (World Anti-Doping Agency).
It is the athlete's responsibility to keep up to date with Drug Free Sport NZ's current policies.
For an overview of the drug testing programme, the prohibited list and exemption forms, go to the Drug Free Sport NZ website.
The ITF also have an anti-doping policy and NZ players who are competing in any ITF competition are liable to be tested. For further details see this ITF website