Federal and state treasurers will meet to change planning and zoning laws to end alleged “land banking” by the supermarket giants, where property is purchased and sat on to prevent competitors from entering. Federal and state treasurers will meet to change planning and zoning laws to end alleged “land banking” by the supermarket giants, where property is purchased and sat on to prevent competitors from entering. Supermarkets and Grocery Retailers, Federal Government, Government and Politics, Retail Industry, Consumer Protection Latest business news