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- 1 Decree No. 164/2016/ND-CP dated December 24, 2016,
- 2 Law No. 97/2015/QH13 dated November 25, 2015, fees and charges
- 3 Law No. 76/2015/QH13 dated June 19, 2015, Organizing The Government
- 4 Decree No. 80/2014/ND-CP dated August 06th, 2014, on the drainage and treatment of wastewater
- 5 Law No. 55/2014/QH13 dated June 23, 2014, on environmental protection