Circular No. 02/2001/TT-BKHCNMT, promulgated by the Ministry of Science Technology and Environment, providing guidelines on criteria for hi-tech industrial projects; projects to produce new andrare, precious materials; projects to apply new biological technology(ies); projects to apply new technology(ies) to manufacture communications and telecommunications equipment;and projects for treatment of environmental pollution or waste, all as projects to receivespecial investment preference(s); associated issues in reporting environmental impacts;import of used machinery, for foreign invested enterprises in Vietnam.