Find the notice code
Look for the letters and numbers printed near the top or bottom of your IRS letter.
Find your notice, see what it means, and what to do first.
Look for the letters and numbers printed near the top or bottom of your IRS letter.
Check what the notice means and use the date printed on it to identify the deadline that controls.
Review the options, use the Notice Decoder to count days, and decide what to do next.
CP11, CP14, CP21A, CP22A
CP71C, LT11, CP77, CP90
CP22E, CP75, CP75D, 90-Day Letter
CP15, CP134B, CP162, CP165
CP101, CP103, CP131, CP132
CP59, CP63, CP88, CP15B
CP01A, CP01B, CP01C, CP01H
LT38, LT39, CP40, CP523
CP05, CP05A, CP08, CP09
177 notices, each listed in one group.
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