Tomu Sione was first elected to represent the constituency of Niutao in the House of Assembly of the GEIC in 1970. He was re-elected in the 1971 Gilbert and Ellice Islands general election, and in the 1974 Gilbert and Ellice Islands general election.
The passage details Tomu Sione's consecutive victories for representing the constituency of Niutao in the GEIC House of Assembly.