A District Plan is a statutory planning

Planning

Planning in organizations and public policy is both the organizational process of creating and maintaining a plan; and the psychological process of thinking about the activities required to create a desired goal on some scale. As such, it is a fundamental property of intelligent behavior...

 document of New Zealand's territorial authorities

Territorial authorities of New Zealand

Territorial authorities are the second tier of local government in New Zealand, below regional councils. There are 67 territorial authorities: 13 city councils, 53 district councils, and the Chatham Islands Council...

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Mainly covering land use

Land use

Land use is the human use of land. Land use involves the management and modification of natural environment or wilderness into built environment such as fields, pastures, and settlements. It has also been defined as "the arrangements, activities and inputs people undertake in a certain land cover...

/zoning

Zoning

Zoning is a device of land use planning used by local governments in most developed countries. The word is derived from the practice of designating permitted uses of land based on mapped zones which separate one set of land uses from another...

 questions, they have become required since the advent of the Resource Management Act 1991. They are updated periodically, though major revisions and plan changes are usually not produced very often, partly due to the large-scale legal battles that often follow proposed changes.