List of border control organisations
Border control is generally the responsibility of specialised government organisations which oversee various aspects their jurisdiction's border control policies, including customs, immigration policy, border security, biosecurity measures. Official designations, division of responsibilities, and command structures of these organisations vary considerably and some countries split border control functions across multiple agencies. China. Border control in China is the responsibility of a variety of entities in each of the country's four distinct immigration areas. In the Special Administrative Regions of Hong Kong and Macau, agencies tracing their lineage to British and Portuguese colonial authorities, respectively , perform border control functions based on the policies and practices in force before those territories' return to the People's Republic of China. Areas administered by the Republic of China are subject to border controls distinct from those in the People's Republic of China. India. Border control in India is performed by a variety of organisations, each focusing on a distinct section of its external borders. Indonesia. The Directorate General of Immigration (Indonesian: "Direktorat Jenderal Imigrasi") is the primary agency tasked with border control in Indonesia. Ireland. Border control for the Republic of Ireland is managed at major ports  and airports by Border Management Unit, directed by the Department of Justice and Equality's Irish Naturalisation and Immigration Service. The Garda National Immigration Bureau manages VISA and residency requirements. The Revenue Commissioners control customs and excise. As the Republic maintains a common travel area with the United Kingdom, there is no formal border control on the Northern Irish border. Malaysia. The Immigration Department of Malaysia is a department of the Federal Government of Malaysia which provides services to Malaysian Citizens, Permanent Residents and Foreign Visitors. The functions of the department are as follows: North Korea. Border Security Command and  Coastal Security Bureau are collectively responsible for restricting unauthorised cross-border (land and sea) entries and exits, in the early 1990s the bureaux responsible for border security and coastal security were transferred from the State Security Department to the Ministry of People's Armed Forces. Sometime thereafter, the Border Security Bureau was enlarged to corps level and renamed the Border Security Command. Previously headquartered in Chagang Province, the Border Security Command was relocated to Pyongyang in 2002. Pakistan. Physical controls on the internationally recognised portions of Pakistan's international borders are managed by dedicated paramilitary units (the Pakistan Rangers on  the border with India, Frontier Corps with Afghanistan and Iran) and the Gilgit−Baltistan Scouts with China, Pakistan-administered side of the Line of Control is guarded and patrolled by Pakistan Army. Schengen Area. Border control in the Schengen Area is primarily performed by the national authorities of individual member states. Consequently, there are many distinct organisations involved with border control along the area's external frontiers and at sea and air ports of entry within its members states. Singapore. The Immigration and Checkpoints Authority, or ICA, is the border control agency of Singapore under the Ministry of Home Affairs. The  ICA is responsible for border control, border customs services, and immigration enforcement in Singapore. ICA is accountable to Parliament through the Minister for Home Affairs. The agency is in charge of maintaining all border checkpoints in Singapore. In addition, ICA handles anti-terrorism operations and is responsible for many visa and residence related aspects of border control. South Korea. Korea Immigration Service, is a part of Ministry of Justice, responsible for protecting border control Inforcement. Korea Immigration Service issues Visa, controls traffic of Human at Port of entry and Immigration Korea Customs Service, is a part of Ministry of Economy  and Finance, responsible for enforce Customs such as Tariff and movement of goods at Port of entry South Africa. The Joint Operations Division is a component of the South African National Defence Force that patrols the land borders and oceanic territory. The National Border Control Unit of the South African Police Service works in ports and airports. Since 2020, The Border Management Agency (BMA), a branch of the Department of Home Affairs overseas border controls at ports and airports. Taiwan. In areas controlled by the Republic of China, the National Immigration Agency (NIA; ), a subsidiary organisation of the Ministry of  the Interior, is responsible for border control. The agency is headed by the Director General. The current Director-General is Chiu Feng-kuang. The agency was established in early 2007 and its job includes the care and guidance of new immigrants, exit and entry control, the deportation of undocumented migrants, and the prevention of human trafficking. The agency also deals with persons from Mainland China, Hong Kong and Macau who do not hold household registration in the areas controlled by the ROC. United States. Most aspects of American border control are handled by various divisions of the Department of Homelend  Security (DHS).