Ukrzaliznytsia already operates several trains to Poland
The new corridor will run by the mixed gauge railway Halmeu/Dyakovo - Chop/Cierna nad Tisou.
Ukrainian citizens have already been issued more than 550,000 ID cards.
The modernization contract is worth about USD 1 million.
The ban was introduced on May 18.
The French side said it would consider the possibility of expert consultative assistance