Bids can be filed by December 8, 10 am local time (GMT0800), and they will be opened an hour later.
The taskbook costs EUR7,000 and bidders need to file an attendance guarantee of EUR25,000.
Authorities agreed with the International Monetary Fund to sell minority stakes in several companies, including Transgaz.
Calculated on Tuesday’s closing price for Transgaz shares, the ministry stands to collect 376.7 million lei (EUR86.6 million) for the stake.
The ministry owns 73.51% in Transgaz, while Fondul Proprietatea (FP.RO) holds 14.98%. (EUR1=RON4.3565)