National Office Of Buddhism
Luang Pho Building, Pak Nam Temple, No. 25/25,
Phutthamonthon Sai 4 Road
Tambon Salaya, Amphoe Phutthamonthon
Nakhon Pathom Province 73170
Telephone (middle number) 02 441 7999
or: If your in Bangkok go to this temple and ask the big cheeses there. They might have some info for you.
Wat Saket
The Golden Mount
344 Thanon Chakkraphatdi Phong, Ban Bat, Pom Prap Sattru Phai, Bangkok 10100, Thailand