esfera/Shutterstock Save for later Print Download Share LinkedIn Twitter A flurry of reports in recent weeks have suggested that the US and Iran have been holding informal talks that could lead to a narrow set of unwritten agreements between them. If such back-channel diplomatic talks were to pave the way to modest compromise agreements, there could be implications for Iran's oil exports and sanctions enforcement. With a US election looming next year, Washington-based observers say the reported talks are likely limited to certain de-escalatory measures after formal discussions on a return to the 2015 Iran nuclear agreement — the Joint Comprehensive Plan of Action (JCPOA) — collapsed last year. Energy Intelligence takes a look at some of the key questions below.