After paying the deposit. The case of "buyers" cannot transfer ownership. "seller" does not return the deposit period first and if that is not possible, "the vendor" vendor "conveyancing" must return the deposit.
After paying the deposit then the "buyer" can not be transferred to the "seller" would not refund the first installment and the "seller" can not be transferred to the "seller" must return the deposit.
After paying the deposit. In case of "buyers" cannot be transferred. "ผู้ขาย” will not return the deposit of the first installment and the case. "The seller", cannot be transferred. "The seller must refund the deposit."