In religious ceremonies. Even the king and queen themselves have to wai, i.e. to pay respect to the monks.
Boy who is ordained acquires a monkhood status, and in that position his parent and all other villagers have to wai or pay respect to him too. The sangha organization is separated from that of the state. The king, as head of the state, appoints the sangharacha,the supreme patriarch of the sangha. The king legitimacy has been, in turn, approved through the rituals performed by the sangha during the coronation day. According to the constitution, the king is supposed to be protector of Buddhist. He must be a devout Buddhist.