I think the PG links are current...


http://www.bangkokair.com/pages/view/separate_ticket

See Example #4 .


Interline guidelines for domestic ->/<- int'l

http://www.bangkokair.com/pages/view/check-in-through


Obviously, if you store a bag at BKK you'll need to clear Arriving Immigration, Customs, retrieve your bag, check-in, clear security, and clear Departing Immigration.