Financing Mechanisms WILD Cities Principle FourSee DC Bag Fee under Ordinances Principle Four Other Principle Four Entries: Principle Four Policie : a specific plan or course of action adopted by government Principle Four Ordinances: a law enacted by a municipal authority; a legal mandate Principle Four Practices : a public or private program, service or methodUpdated 4 months ago WILD Cities Principle One: Increase and improve the quality of wild nature in the city.Table of Contents See DC Bag Fee under Ordinances Principle Four Other Principle Four Entries: Principle Four Policie : a specific plan or course of action adopted by government Principle Four Ordinances: a law enacted by a municipal authority; a legal mandate Principle Four Practices : a public or private program, service or method