OBS_VALUE: If the Director‐Generals refuse to grant permission to a foreigner, they shall notify in writing with a clear indication of the reason for such refusal within 15 days.For an official English translation of the Foreign Business Act B.E.2542 (1999), please seehttps://www.dbd.go.th/dbdweb_en/download/pdf_law/FOREIGN_BUSINESS_ACT_BE2542/act/1FBA-FINAL[1].pdfFor an unofficial English translation of the Administrative Procedure Act B.E.2539 (1996), please seehttp://web.krisdika.go.th/data//document/ext825/825513_0001.pdf