Isik peab käesolevas peatükis sätestatud alustel ja ulatuses andma teisele isikule välja temalt õigusliku aluseta saadu., A person shall transfer to another person, on the bases of and to the extent provided for in this Chapter, that which is received from the other person without legal basis., defineeritakse kõikide Eesti õigusaktide ulatuses, defined within the scope of all Estonian legal instruments