The Judiciary has revised its original estimate and now is working toward the goal of sustaining paid operations through Jan. 18, 2019. See https://www.uscourts.gov/news/2019/01/07/judiciary-operating-limited-funds-during-shutdown.
If existing funds run out and new appropriated funds do not become available, the Judiciary will operate under the terms of the Anti-Deficiency Act, which allows “essential work” to continue during a lapse in appropriations. This mission critical work includes activities to support the exercise of the courts’ constitutional powers under Article III, specifically the resolution of cases and related services.
Fourth Circuit proceedings and deadlines remain in effect as scheduled, unless otherwise advised. Government attorneys unable to comply with a filing deadline due to the government shutdown should file a motion to suspend the deadline. Case Management/Electronic Case Files (CM/ECF) remains in operation for the electronic filing of documents.