https://www.zawya.com/en/world/uk-and-europe/romania-bulgaria-in-partial-schengen-deal-with-austria-leyzqnl1
Romania, Bulgaria in partial Schengen deal with Austria
Austria, which vetoed the entry of the two countries a year ago, put forward the idea of what it called "Air Schengen" at the beginning of December
schengen dealromaniabulgariapartialaustria