OBS_VALUE: Renewal the controlled engineering profession license shall be submitted before the expiry date. The controlled engineering license is valid for 5 years  since the date of issuance. The renewal shall be done within the specified period. Moreover, for the license to operate business, a licence is valid for an indefinite period until cessation by the licence grantee of the permitted business.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 