The United States Tax Court’s website (www.ustaxcourt.gov) announced that the Tax Court shut down operations on Friday, December 28, 2018, at 11:59 p.m. and will remain closed until further notice. The IRS reminds taxpayers and tax professionals the Tax Court website is the best place to get information about a pending case. There are some important points for taxpayers and tax professionals to keep in mind. These are some questions and answers to help during the current appropriations lapse. Q: What should I do if a document I mailed or sent to the Tax Court was returned to me? A: The Tax Court website indicates that mail sent to the court through the U.S. Postal Service or through designated private delivery services may have been returned undelivered. If a document you sent to the Tax Court was returned to you, as the Tax Court website indicates, re-mail or re-send the document to the Court with a copy of the envelope or container (with the postmark or proof of mailing date) in which it was first mailed or sent. In addition, please retain the original.