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Find publications and regulatory documents from the Valuer-General and the Valuers Registration Board.

Councils can propose to change the name of their district or region. When the name of a district or region is changed, it also changes the legal name of its council.

Find the period over which tidal observations were analysed to produce our tide predictions.

How to calculate the times and heights of and between high and low waters.

Unusually high or low barometric pressure, or prolonged periods of strong winds, can mean the actual sea level is higher or lower than the predicted height.

Until quite recently the use of float gauges was the most common method of measuring and recording sea levels.

New Zealand and Australia have rights over areas of ocean called their Exclusive Economic Zones (EEZ).

We collect tax-related data under the Land Transfer Act 2017 when people buy, sell or transfer property. The legislation also requires us to ask questions that help inform housing policy. This page contains answers to questions about this data.

Key guidance for practitioners to ensure they are aware of their certification obligations in regard to consent requirements.

This page outlines a number of scenarios which detail how property tax compliance requirements apply.

The New Zealand Vertical Datum 2016 provides a nationally consistent height reference surface. This is an important tool for planning, consenting, and infrastructure works.

New Zealand Vertical Datum 2016 (NZVD2016) is the official vertical datum. It is used to define heights in New Zealand and its offshore islands.

This section provides information for cadastral surveyors working in greater Christchurch.