A traditional ceremony of the Thai Phuan, citizens of Ban Hat Siao, Si Satchanalai Elephant Back Ordination Procession or Buat Chang is held annually during 7–8 April at Ban Hat Siao, Amphoe Si Satchanalai. The 7th is the crux of the event, when a procession takes place. On the 8th features a spectacular procession of ordination candidates in colourful costumes on the backs of some 20-30 decorated elephants. The ordination ceremony includes head shaving, bathing, and dressing up candidates, as well as, elephants. The procession is held around the village and the Si Satchanalai District Office.