Domestic Domestic Ministry of Transport Civil Aviation Authority of Thailand (CAAT) Department of Airport Civil Aviation Training Center (CATC) Aeronautical Radio of Thailand Lid.(AEROTHAI) Thai Airways International Public Company Limited Ministry of Foreign Affairs Department of Consular Affairs Tourism Authority of Thailand (TAT) Immigration Bureau Thai Customs department Suvarnabhumi Airport Cargo Clearance Customs Bureau Suvarnabhumi Airport Passengers Control Customs Bureau Department of Livestock Development Food and Drug Administration Department of Agricultural Fishery Quarantine Wildlife Checkpoint
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