The most important position is the wat treasurer (makkhathayok) who is responsible for the matters concerning with the donated money and revenue earned from land rents and other wat properties.
However, the abbot is in charge of all wat expenditures such as in building and repairing of the wat halls. Monks are not legally allowed to own any property. He can carry but a small sum of money at a time, it is not uncommon, however,that there are abbots and monks who become rich from money donated to the wat. Anyway, this is rare in the rural areas for donated money is rather in small amount and monks are closely observed by villagers in the community.