Treaties and other international acts series. * Paper, $15.00 a yr. (approximately 150 issues), $7.00 additional for foreign mailing; single copies vary in price. 6885. Reciprocal liberalization of visa regulations, agreement between United States and Peru, effected by exchange of notes signed Lima Mar. 18 and Apr. 23, 1970; [entered Into force Apr. 23, 1970.]