THE High Court in Kuala Lumpur was yesterday told that Aset Kayamas Sdn Bhd director Tan Sri Chai Kin Kong had signed an appeal letter sent to then Federal Territories Minister Datuk Seri Tengku Adnan Tengku Mansor (picture) to consider the proposed development order (DO) of an apartment at Jalan Bakti, Bandar Tun Razak, Mukim Kuala Lumpur.