Home2019 Treaties and Agreements ...Bulgaria (19-114) – Memorandum of Understanding Concerning the Imposition of Import Restrictions on Categories of Archaeological Material and Ethnological Material hide Bulgaria (19-114) – Memorandum of Understanding Concerning the Imposition of Import Restrictions on Categories of Archaeological Material and Ethnological Material TIAS Office of Treaty Affairs January 14, 2019 Cultural Exchanges, Property and Cooperation: Import Restrictions Memorandum of understanding signed at Sofia January 8, 2019; entered into force January 14, 2019. Download agreement [487 KB] Tags Bulgaria Cross-Cultural Communications and Exchanges International Law, Treaties, and Agreements