Legality Definition meeting No.1 was arranged on 15 January 2015 at Maruay Garden Hotel, Bangkok. This meeting aimed to discussed about background and develop LD guidance, which revised from the four meeting in the past base on EFI’s suggestion and VPA’s from other countries. The working group was discussed and comment on the draft LD including to next step. At last the meeting agreed on developing LD start with principle and criteria.