204 of the Model State Administrative Procedure Act (MSAPA) describes a Declaratory Order device, at least partly inspired by the mechanism available under the law of Hawaii. The goal of the Declaratory Order Device is to mitigate controversies or remove uncertainties. The federal government and most states do not have this device but often have formal or informal arrangements that may achieve similar goals to greater or lesser extent. Florida is one of few other states that have this device. Please answer the following question: What formal or informal mechanisms exist at the federal level that may help advance comparable goals