Final answer:
The plat of a subdivision must be recorded and indexed by the local government office or county clerk in land records or property records by owner name and subdivision.
Step-by-step explanation:
In the context of land development, the plat of a subdivision is a detailed map or plan that outlines the division of land into lots or parcels. The plat must be recorded by the local government office or county clerk and indexed in the land records or property records by owner name and subdivision.