Treaties and other international acts series. 4898. Surplus agricultural commodities, agreement with exchange of notes, between United States and Tunisia, signed Tunis June 30, 1961, and agreement correcting agreement of June 30, 1961, effected by exchange of notes signed Tunis Sept. 8 and 14, 1961; [entered into force Sept. 14, 1961, operative retroactively June 30, 1961].