| Circular 178/2011/TT-BTC Guidance on the making, issuance, use and management of receipt of tax and customs fees for the import export goods of the enterprises doing business in international airline express service | Circular | Ministry of Finance | Ministry of Finance |  |
| Circular 18/2008/TT-BTC Guiding financial regulations and customs procedures applicable to southeastern Nghe An economic zone, Nghe An province | Circular | Ministry of Finance | Ministry of Finance | |
| Circular 18/2009/TT-BKHCN dated June 26, 2009 promulgating the National Technical Regulation on safety of toys. | Circular | Ministry of Science and Technology | Ministry of Science and Technology | |
| Circular 18/2009/TT-BKHCN Promulgation and implementation of "National technical regulation on children toy's safety" | Circular | Ministry of Science and Technology | Ministry of Science and Technology | |
| Circular 18/2011/TT-BCT Supplement, discharge of administrative procedures in 28/2008/TT-BCT specifying certain articles of the law on chemicals and Decree 108/2008/ND-CP providing detailed regulations and guidance on some articles of the Law on Chemicals | Circular | Ministry of Industry and Trade | Ministry of Industry and Trade | |
| Circular 18/2011/TT-BYT dated May 30, 2011 promulgating the National Technical Regulation on micronutrient fortified food. | Circular | Ministry of Health | Ministry of Health | |
| Circular 18/2013/TT-BCT dated July 31, 2013 promulgating the National Technical Regulation on safety of steel cylinders for Liquefied Petroleum Gas (LPG). | Circular | Ministry of Industry and Trade | Ministry of Industry and Trade | |
| Circular 18/2013/TT-BCT Promulgating national technical regulation on safety of steel cylinders for liquefied petroleum gas.
| Circular | Ministry of Industry and Trade | Ministry of Industry and Trade | |
| Circular 18/2014/TT-BTTTT Detailing on implementation of Decree No. 187/2013 / ND-CP of the Government dated Nov 20, 2013 for granting the license to import radio transmitters and receivers | Circular | Ministry of Information and Communication | Ministry of Information and Communication | |
| Circular 18/2014/TT-NHNN Providing guidances on importation of goods under the management of the State Bank of Vietnam | Circular | The State Bank of Viet Nam | The State Bank of Viet Nam | |
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