This forced him to leave the country following the March 1976 coup, and returning from exile in Peru in 1977 to visit family in Diamante he was detained.

[1] Obeid was elected mayor in his own right in 1991, and later served as President of Argentine Federation of Cities (1992–93) and as representative for Santa Fe Province in the 1994 Constitutional Convention.

[3] The provincial constitution of Santa Fe does not allow for reelection of a governor, and Obeid was elected to the Argentine Chamber of Deputies in 1999.

Under his administration, and following his initiative, the provincial legislature repealed the controversial electoral law called Ley de Lemas, which had allowed Obeid to twice win the governorship after obtaining fewer votes than his closest opponent.

Termed out of office, Obeid headed the Front for Victory Santa Fe party list for seats in the Chamber of Deputies.