Iranian Nuclear and Venezuelan Energy, Sanctions and Terrorism Investigation Government Accountability Report Act or INVESTIGAR Act This bill requires the President to, no later than 14 days after reaching an agreement with Iran regarding Iran's nuclear program, report to Congress describing the possible benefits that will accrue to the regime of Nicolas Maduro as a result of the agreement. (Maduro is the president of Venezuela whose reelection in 2018 is widely condemned, including by the United States, as fraudulent.) The President must update the report every 180 days.