Biordi first entered the Grand and General Council in 1974 as a member of the
Sammarinese Communist Party (PCS). He remained a member of the legislature for five consecutive terms, serving until 1998. Following the dissolution of the PCS in the early 1990s, he continued his political activity with its successor, the
Sammarinese Democratic Progressive Party (PPDS). During his tenure, Biordi was twice elected as Captain Regent, the joint head of state of the Republic: • 1 October 1981 – 1 April 1982: served alongside Mario Rossi. == Death ==