Having a secure destruction facility approved

The status of "approved facility" for the destruction of media and equipment may be granted by the Director-General GCSB under the NZISM.  Approval depends upon the Director-General's satisfaction that the proposed facilities are capable of securely destroying IT equipment, devices and media to the standard required under the NZISM and related policies.

The process of obtaining approval is outlined in the document

https://www.ncsc.govt.nz/assets/Uploads/Guidance-to-Vendors-re-ASDFs-Aug-2018-3.pdf