| Circular 39/2018/TT-BTC amending Circular 38/2015/TT-BTC on customs procedures; Customs inspection and supervision; export tax, import tax and tax administration for export and import goods promulgated by the Ministry of Finance | Circular | Department of Vietnam Customs | Ministry of Finance | |
| Circular 40/2009/TT-BNNPTNT promulgating an additional list of plant varieties permitted for production and trading in Vietnam
| Circular | Ministry of Agriculture and Rural Development | Ministry of Agriculture and Rural Development | |
| Circular 40/2010/TT-BNNPTNT Additional list of fertilizers permitted for production, trading and use in Vietnam
| Circular | Ministry of Agriculture and Rural Development | Ministry of Agriculture and Rural Development | |
| Circular 40/2011/TT-BCT Regulation on chemicals declaration | Circular | Department of Vietnam Customs | Ministry of Industry and Trade |  |
| Circular 40/2013/TT-BGTVT dated November 1, 2013 promulgating the National Technical Regulation of Structure with regard to the Prevention of Fire Risks and the Burning Behaviour of Materials Used in the Interior Structure of Certain Categories of Motor. | Circular | Ministry of Transport | Ministry of Transport | |
| Circular 40/2013/TT-BLDTBXH dated December 30, 2013 promulgating the National Technical Regulation on safe work for builders hoists. | Circular | Ministry of Labour - Invalids and Social Affairs | Ministry of Labour - Invalids and Social Affairs | |
| Circular 40/2014/TT-BGTVT dated September 15, 2014 promulgating the National Technical Regulation of motor used for electric bicycles and batteries of electric bicycles. | Circular | Ministry of Transport | Ministry of Transport | |
| Circular 40/2015/TT-BCT dated 18/11/2015 providing for the implementation of the rules of origin in the Vietnam - Korea Free Trade Agreement
| Circular | Ministry of Industry and Trade | Ministry of Industry and Trade | |
| Circular 40/2016/TT-BGTVT On registration of Vietnam sea-going ships | Circular | Ministry of Transport | Ministry of Transport | |
| Circular 40/2016/TT-BYT Introduction of nomenclature of foods, food additives, food processing aids and food packaging materials and containers according to their code specified in import-export tariff schedule under the administration of MoH | Circular | Ministry of Health | Ministry of Health | |
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