Bên c?nh nh?ng ?u ?i?m v?a ???c gi?i thi?u KTO trên, m?t s? ?i?m còn t?n t?i c?n ???c c?i thi?n ?? ph?c v? khách hàng t?t h?n nh?:Overseas visitors moving into Vietnam below visa exemption agreements, 5-yr visa exemption systems or APEC small business journey card holders who have to exit and re-enter Vietnam right after completing their 6-thi