| Circular No. 26/2010/TT-BNNPTNT dated April 27, 2010 promulgating the National Technical Regulations on plant protection and quarantine. | Circular | Ministry of Agriculture and Rural Development | Ministry of Agriculture and Rural Development | |
| Circular No. 26/2010/TT-BYT dated May 20,2010 promulgating the National Technical Regulation on Food additivess- Firming agents. | Circular | Ministry of Health | Ministry of Health | |
| Circular No. 26/2011/TT-BTTTT dated October 10, 2011 promulgating on the National Technical Regulaions on Telecommunication. | Circular | Ministry of Information and Communication | Ministry of Information and Communication | |
| Circular No. 26/2013/TT-BKHCN Regulations on the requirements and procedures for the designation of the foreign conformity assessment bodies to assess the conformity of the products and goods in accordance with the National technical regulation issued by | Circular | Ministry of Science and Technology | Ministry of Science and Technology | |
| Circular No. 26/2013/TT-BNNPTNT dated May 22, 2013 of the Ministry of Agriculture and Rural Development on aquatic breed management. | Circular | Ministry of Agriculture and Rural Development | Ministry of Agriculture and Rural Development | |
| Circular No. 26/2015/TT-BTTTT dated September 28,2015 promulgating the National technical regulation on cordless audio devices in the range 25 MHz to 2000 MHz. | Circular | Ministry of Information and Communication | Ministry of Information and Communication | |
| Circular No. 26/2019/TT-BNNPTNT dated December 27, 2019 on storage of plant variety samples; field inspection, sampling of propagating materials; state inspection of quality of imported plant varieties | Circular | Ministry of Agriculture and Rural Development | Ministry of Agriculture and Rural Development | |
| Circular No. 261/2016/TT-BTC dated November 14, 2016 of the Ministry of Finance providing for maritime fees and charges and schedule of collection rates of maritime fees and charges | Circular | Ministry of Finance | Ministry of Finance | |
| Circular No. 27/2010/TT-BYT dated May 20,2010 promulgating the National Technical Regulation on Food Additives- Colours. | Circular | Ministry of Health | Ministry of Health | |
| Circular No. 27/2015/TT-BTTTT dated September 28, 2015 promulgating the National Technical Regulation on electromagnetic compatibility for Ultra Wide Band communication equipment. | Circular | Ministry of Information and Communication | Ministry of Information and Communication | |
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