In September last year, Edward Snowden said he had seen large quantities of metadata from New Zealanders' communications while working in the NSA's regional headquarters in Hawaii.

He was presumably referring to New Zealanders' communications intercepted during the Asia-Pacific regional monitoring conducted at Waihopai and other allied bases.

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NZ spies on its Pacific friends
The price of the Five Eyes club

The Snowden documents show how foreign intelligence staff follow a step-by-step process to access the GCSB's South Pacific intelligence, including the metadata and communications of New Zealanders living, holidaying and interacting in that region.

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A British agency guide shows that there are two databases on "Ironsand" (Waihopai)-intercepted communications they can access. "To query the data on these sites," the guide says, "you must first have a briefing on NZSID7, the law that governs what the GCSB can and can't do." The foreign staff were instructed to read a written briefing and then, before accessing the New Zealand intelligence, take an online test on the GCSB rules.

WATCH: Snowden reveals NSA has Auckland facility

Renegade former US intelligence analyst Edward Snowden claimed his former employer spy agency National Security Agency has a facility in Auckland. Snowden, who is sheltering in Moscow from US attempts to extradite him on espionage charges, appeared by video link before a capacity crowd at the Kim Dotcom organised Moment of Truth event at Auckland Town Hall. Footage The Moment of Truth/YouTube

Once they had completed the "multi-choice, open-book" test, the foreign intelligence analysts were told to "Click 'Order the Products and Services catalogue'." They typed "xkeyscore" and "Search" and then "NZXkeyscore". The guide said, "Once you have filed the required information, click Add to Cart" and "Click Submit request".

The NZSID7 (New Zealand Signals Intelligence Directive 7) contains the rules for when the other Five Eyes agencies can look at intelligence about New Zealanders. For all other countries - friend or foe - there is unrestricted spying and unrestricted access provided to the Five Eyes spies.