ABSTRACT. New criteria for asymptotic properties of the solutions of the third order delay differential equationby transforming this equation to its binomial canonical form are presented.We consider the third order delay differential equationand the corresponding second order differential equationWe always assume thatThe particular case of (1), namely differential equation without delayhas been investigated in earlier papers [1, 3, 4, 7, 10, 12, 17] and [20]. In these papers the following structure of nonoscillatory solutions is presented:2000 M a t h e m a t i c s S u b j e c t C l a s s i f i c a t i o n: 34C10. K e y w o r d s: property (A), oscillation, delay argument.