*** Unofficial Translation ***
CONSTITUTION OF THE KINGDOM OF THAILAND
HIS MAJESTY KING MAHA VAJIRALONGKORN BODINDRADEBAYAVARANGKUN
Enacted on the 6th Day of April B.E. 2560
Being the 2nd Year of the Present Reign.

Read the Constitution : http://www.krisdika.go.th/wps/portal/general_en