A primary field of activity for Forum 15 is the reorganization of the relations between national and local governments in Israel, to empower major cities, and provide them with greater managerial autonomy.

To further this goal, the forum is promoting a Self-Government Cities Act, aimed at granting greater authority to cities which have proven capable of autonomous management, as well as a new, modern Municipalities Act to replace the archaic legal framework which constrains municipalities today. Such a law is vital to providing municipalities with the legal and economic tools needed in order to run a modern city.

Forum 15 also advocates for greater powers for cities in fields such as planning and construction, law enforcement, education, transport and the environment; represents major cities to the government and Knesset; and acts to prevent legislation and regulation detrimental to the independence of local government.