Iran and the P4+1 assembled in Vienna for a meeting of the JCPOA's Joint Commission. The participants reaffirmed that “JCPOA remains a key element of the global nuclear non-proliferation architecture, endorsed unanimously by UN Security Council Resolution 2231. Furthermore, in light of the recent tensions, its preservation continues to be essential for the regional stability and security”. The participants reiterated the importance of the lifting of sanctions and reconfirmed their commitments for “mitigating the negative impact of US withdrawal and re-imposed US sanctions”. France, Germany and the United Kingdom (E3) confirmed that the Instrument for Supporting Trade Exchanges (INSTEX) had been operationalized. In a joint statement, Austria, Belgium, Finland, the Netherlands, Slovenia, Spain and Sweden reaffirmed their support for the JCPOA and the efforts by the E3 “to establish channels to facilitate legitimate trade and financial operations with Iran”.