Notice of Deficiency

{
  "id": "MLC-T-LAW-003477",
  "term": "Notice of Deficiency",
  "field": "Law",
  "definition": "A formal letter from the Internal Revenue Service (IRS) informing a taxpayer that the IRS has determined an underpayment of tax. This notice, also known as a 90-day letter, gives the taxpayer 90 days to either pay the additional tax or file a petition with the U.S. Tax Court to dispute the assessment. It is a prerequisite for the IRS to assess additional tax.",
  "url": "https://mlchart.com/terminology/law/notice-of-deficiency/"
}