Executive Order 13563 requires each agency to develop a plan to periodically conduct a retrospective review of its regulations, and determine if they are ineffective, insufficient, or overly burdensome, and then revise or repeal as warranted. EPA is developing a review plan and a list of candidate regulations for potential review, and are soliciting feedback on both the plan and the candidate list of regulations. Two listening sessions to be held on March 14th, 2011, and March 17th, 2011.