Banks offered RON3.2 billion and the maximum accepted yield was 6.23% a year, central bank data showed.
At the previous similar auction July 4, the ministry sold RON850 million in one-year paper at an average annual yield of 6.37%.
The ministry plans to sell debt worth RON4 billion in July, up from RON3.7 billion sold a month earlier.
So far this year, Romania sold roughly RON33 billion in leu-denominated state notes. Additionally, a three-year foreign currency bond auction held May 4 has brought the ministry EUR939.2 million, while an international debt sale early June raised EUR1.5 billion. (EUR1=RON4.2272)