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Depending on the nature of your inquiry, your reply may be sent by postal mail, phone or facsimile. Although the sections in charge will endeavor to answer your inquiries or suggestions as soon as possible, some inquiries may require some time and we do not guarantee to answer all the requests. Please understand that inquiries received on Saturdays, Sundays, national holidays, year-end through New Year holidays and summer holidays will be addressed from the following business day.