Warrant requirement to use the Home Location Registry (HLR) for Polling Data

M B made this Official Information request to New Zealand Police

Currently waiting for a response from New Zealand Police, they must respond promptly and normally no later than (details and exceptions).

From: M B

Dear New Zealand Police,

In the Telecommunication investigations Manual, a Polling Information Request, through a Comms Centre Polling request, is stated to be sent to the Network Operations Centre (NOC) of the three telcos.

It is described as relating to a "single" polling request. "A query is done on the Home
Location Register (HLR) which is a record of only the last tower a phone polled off. ... There are no historic records and it is constantly overwritten ... . It is not possible to continually ‘track’ from this system as it requires constant manual queries."

1. Please provide the full Telecommunication investigations chapter.

2. Do the New Zealand Police have the access to conduct "manual queries" themselves, or are these relayed to the Telco providers.

3. Is it practically possible to conduct several consecutive manual queries or are there safeguards in place to prevent this? You state that it is not possible to "continually track", but is there anything preventing a bombardment of manual queries as suggested?

4. What is the Warrant / Production Order requirement for single polling requests?

Yours faithfully,
Mason.

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From: Ministerial Services
New Zealand Police

Tēnā koe MB

I acknowledge receipt of your Official Information Act 1982 (OIA) request below, received by Police on 19 September 2022.

Your reference number is IR-01-22-28849.

You can expect a response to your request on or before 17 October 2022 unless an extension is needed.

Ngā mihi
Catherine
Ministerial Services
Police National Headquarters

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From: M B

Dear Ministerial Services,

For questions 2-4, please provide all manuals, guidance materials, or otherwise held up to date information held by the police.

Yours sincerely,
Mason.

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