The Regional Workshop on Improving Use of Administrative Data in Production of Official Statistics: Role of Statistical Register Systems, Face-to-Face Module will be held by the Statistical Institute for Asia and the Pacific (SIAP), a regional institution of the United Nations Economic and Social Commission for Asia and the Pacific (ESCAP), from 12 to 16 September 2015 in Tehran, Islamic Republic of Iran. The workshop will be conducted in collaboration with the Statistical Centre of Iran (SCI), Government of the Islamic Republic of Iran.