Served on the preparatory commissions for the encyclical Veritatis Splendor (1993).
It had been expected that the members of the preparatory commissions, where the Curia was heavily represented, would be confirmed as the majorities on the conciliar commissions.
He was a member of the preparatory commission for the First Vatican Council, and was prefect of studies at the Roman Seminary from 1875 to 1877.
He later worked a member of the preparatory commission on lay apostolate of the Second Vatican Council.
The Osservatore Romano, Dec. 9-10, 1950 lists Garrigou-Lagrange among the names of the preparatory commission for the definition of the Assumption of Mary.
The Law of the Sea will not formally be in force until a preparatory commission agrees on disputed details concerning seabed provisions.
He served in 1957 as executive secretary of the preparatory commission planning the International Atomic Energy Agency.
They countered the threat by inviting only safe theologians - largely Rome-based - to sit on the preparatory commissions.
During the Council, Jacobini was secretary of the preparatory commission for Church discipline, also serving as Undersecretary of the Council from 1869 to 1870.
His reputation recovered in 1960 when Pope John XXIII invited him to serve on the preparatory theological commission of the Second Vatican Council.
