I have just spoken with MITTI , they say if Bangkok custom have any queried they will send a letter to Mitti Malaysia, then they just can made a changes, if not consider will not have any changes in application form d.
For Code CTH, in form d show CTII as I told to Wichaya on yesterday , is might is our printer problem, and I have inform to Siew Lan regarding this matter, so we will have to find the way to solve it .
And for code H87, this cannot change to PCS, is because H87 is consider to PIECE