Banks offered RON4.8 billion, but the ministry rejected all yields above 6.65% a year.
At the previous similar auction May 9, the ministry sold RON1 billion in one-year paper at an average annual yield of 6.89%.
The ministry plans to sell debt worth RON4.3 billion in June, down from around RON5 billion sold a month earlier.
So far this year, Romania sold RON27.5 billion in leu-denominated state notes. Additionally, a three-year foreign currency bond auction held May 4 has brought the ministry EUR939.2 million. (EUR1=RON4.1344)