the european union s itis in the czech republic encourage integrated spatial planning across functional uiban areas it is important that such investments be based on the good landuse practices that have been described in plans and strategies at the national regional and local levels such as developing brownfield sites in advance of greenfield ones permitting developments only in areas where there is existing infrastructure to support them and protecting agricultural lands forested areas and watersheds through itis municipalities are required to form collaborative bodies municipal association agreements in order to forward projects of metropolitan importance and to access investments