(2) Tehingud on ühepoolsed ja mitmepoolsed. Ühepoolne tehing on tehing, mille tegemiseks on vajalik ühe isiku tahteavaldus. Mitmepoolne tehing on tehing, mille tegemiseks on vajalik kahe või enama isiku tahteavaldus. Mitmepoolsed tehingud on lepingud., (2) Transactions are unilateral or multilateral. A unilateral transaction is a transaction whose performance requires a manifestation of intention by a single person. A multilateral transaction is a transaction whose performance requires a manifestation of intention by two or more persons. Multilateral transactions are contracts., defineeritakse kõikide Eesti õigusaktide ulatuses, defined within the scope of all Estonian legal instruments