Career
He was a president and manager by career. He was first elected at the Villeneuve riding in the 1968 general election under the Ralliement créditiste party banner. He was re-elected at Villeneuve in the 1972 election, with his party assuming the Social Cr name in 1971.
After completing his term in the 29th Canadian Parliament, Tétrault left federal politics and did not campaign in any further federal elections.