Italy has a population of over 60 million people and has the fourth largest economy in Europe, primarily from manufacturing, agriculture and tourism. The government has a bicameral parliament composed of the Chamber of Deputies and Senate. Immigration is governed by national law and enforced locally. Work visas are required for stays over 90 days and are subject to annual quotas, except for intra-company transfers. Italian labor law applies to all employees working in Italy, whether for Italian or foreign companies.