OBS_VALUE: For an unofficial English translation of the Engineering Act B.E.2542 (1999), please see http://web.krisdika.go.th/data/outsitedata/outsite21/file/ENGINEER_ACT,B.E._2542_(1999).pdfFor an official English translation of the Foreign Business Act B.E.2542 (1999), please see https://www.dbd.go.th/dbdweb_en/download/pdf_law/FOREIGN_BUSINESS_ACT_BE2542/act/1FBA-FINAL[1].pdf