Home2020 Treaties and Agreements ...El Salvador (20-302) – Memorandum of Understanding on Import Restrictions hide El Salvador (20-302) – Memorandum of Understanding on Import Restrictions TIAS Office of Treaty Affairs March 2, 2020 Cultural Exchanges, Property and Cooperation: Import Restrictions Signed at San Salvador March 2, 2020; entered into force March 2, 2020. Download Agreement [404 KB] Tags Cultural Objects Cultural Properties El Salvador Treaties