 In recognition of his efforts against authoritarian rule, Concepción's name was inscribed on the Wall of Remembrance at the Bantayog ng mga Bayani in 1994.Concepción formally left the court in 1973 upon reaching the mandatory retirement age.But in actual practice, he had left 50 days earlier when he took a leave from the court to express dissent over the court's decision in the Ratification Cases ("Javellana v. Executive Secretary (1973)"), which upheld the 1973 Constitution, and paved the way for extending Marcos’ regime.