councils after several decades of increasing demand for a decentralisation of the government. Each provincial council is an autonomous body not under the authority of any ministry. Some of its functions had been undertaken by central government ministries, departments, corporations, and statutory authorities, but authority over land and police is not as a rule given to provincial councils. Between 1989 and 2006, the Northern and Eastern provinces were temporarily merged to form the North-East Province. Prior to 1987, all administrative tasks for the provinces were handled by a district-based civil service which had been in place since colonial times. Now each province is administered by a directly elected provincial council: Districts and local authorities Each district is administered under a district secretariat. The districts are further subdivided into 256 divisional secretariats, and these to approximately 14,008 Grama Niladhari divisions. The districts are known in Sinhala as disa and in Tamil as māwaddam. Originally, a disa (usually rendered into English as Dissavony) was a duchy, notably Matale and Uva. There are three other types of local authorities: municipal councils (18), urban councils (13) and pradeshiya sabha, also called pradesha sabhai (256). Local authorities were originally based on feudal counties named korale and rata, and were formerly known as "D.R.O. divisions" after the divisional revenue officer. Later, the D.R.O.s became "assistant government agents," and the divisions were known as "A.G.A. divisions". These divisional secretariats are currently administered by a divisional secretary. Foreign relations Sri Lanka is a founding member of the Non-Aligned Movement (NAM). While ensuring that it maintains its independence, Sri Lanka has cultivated relations with India. Sri Lanka became a member of the United Nations in 1955. Today, it is also a member of the Commonwealth, the SAARC, the World Bank, the International Monetary Fund, the Asian Development Bank, and the Colombo Plan. The United National Party has traditionally favoured links with the West, while the Sri Lanka Freedom Party has favoured links with the East. Sri Lankan Finance Minister J. R. Jayewardene, together with then Australian Foreign Minister Sir Percy Spencer, proposed the Colombo Plan at the Commonwealth Foreign Minister's Conference held in Colombo in 1950. At the San Francisco Peace Conference in 1951, while many countries were reluctant, Sri Lanka argued for a free Japan and refused to accept payment of reparations for World War II damage because it believed it would harm Japan's economy. Sri Lanka-China relations