Gasselsberger, in an interview with ‘Die Presse’ Newspaper said: "Financing Iranian projects still has some problems. US secondary sanctions need more exact reviews".
Oberbank has been one the first European banks to sign an agreement with Iran in the post-JCPOA era.
The US administration has done a great deal during the past year to undermine Iran's nuclear deal -- also known as the Joint Comprehensive Plan of Action (JCPOA).
This is while, the International Atomic Energy Agency (IAEA) has repeatedly confirmed, at least on ten occasions, Iran's unwavering commitment to the landmark July 2015 international nuclear deal.