Land Use & Zoning

An overlay zone in planning is:

AA zone that replaces all existing zoning regulations
BA secondary zoning district that imposes additional requirements on top of the base zoning✓ Correct
CA temporary suspension of zoning for construction
DA map overlay used only by surveyors

Explanation

An overlay zone adds special requirements or allows special uses on top of the underlying base zoning, commonly used for historic districts, floodplains, or scenic corridors.

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