UMC [UNITED MICROELECTRONICS] F-6 POS: (Original Filing)
[] [] [Certification under Rule 466 The depositary, JPMorgan Chase Bank, N.A. represents and certifies the following: (1) That it previously had filed a registration statement on Form F-6 (United Microelectronics Corporation 333-172990) that the Commission declared effective, with terms of deposit id]