<Tr> <Td> <Ul> <Li> Parol evidence rule </Li> <Li> Contract of adhesion </Li> <Li> Integration clause </Li> <Li> Contra proferentem </Li> </Ul> </Td> </Tr> <Ul> <Li> Parol evidence rule </Li> <Li> Contract of adhesion </Li> <Li> Integration clause </Li> <Li> Contra proferentem </Li> </Ul> <Li> Parol evidence rule </Li> <Li> Contract of adhesion </Li>

When can duties not be assigned under a contract