A Notice of Appeal from Tax Court is a legal document used to notify the Internal Revenue Service (IRS) of an appeal of a previous tax court decision. The notice is typically filed by a taxpayer who wishes to challenge or appeal a decision of the tax court, which can include decisions related to unpaid taxes, the filing of tax returns, or other matters. The most common types of Notice of Appeal from Tax Court are: 1. Notice of Appeal from Tax Court of the United States: This form is used for appeals to the United States Tax Court from decisions by the IRS. 2. Notice of Appeal from District Court to Tax Court: This form is used for appeals to the United States Tax Court from decisions by a district court. 3. Notice of Appeal from Bankruptcy Court to Tax Court: This form is used for appeals to the United States Tax Court from decisions by a bankruptcy court.