PROBLEM TO BE SOLVED : To provide a settlement system in which a credit card settlement of house rent in a real estate rent article object can be promoted by performing settlement processing repeated in a predetermined cycle only through a single process. SOLUTION : House rent information transmitted from a CAT terminal 14 to a host computer 12 is stored on an iterative settlement database 36, and on the assumption that the house rent information is within a guarantee term stored on a guarantee term database 38, a sales telegraphic message about the house rent stored on the iterative settlement database 36 is transmitted to settlement request determination means 20. COPYRIGHT : (C)2012, JPO&INPIT