In April, the IRS sent CP2100 and CP2100A notices to banks, credit unions, businesses or payers who filed returns that don't match IRS records. These information returns include: Form 1099-B, Proceeds from Broker and Barter Exchange Transactions Form … In April, the IRS sent CP2100 and CP2100A notices to banks, credit unions, businesses or payers who filed returns that don't match IRS records. These information returns… https://www.aatrix.com/news/2022/05/how-avoid-receiving-cp2100-notice-irs/