First B Notice Form - Web first “b” notice (cp2100/cp2100a) notice cp2100/cp2100a is known as the “backup withholding notice” and is sent when the irs identifies discrepancies between a payee’s name and tin on a business’s tax filing. The first “b” notice serves as a warning to businesses, allowing them to correct their records before the irs takes further action. Web the initial b notice informs the payer that the combination of tin and a name has not been identified in any b notice received by the filer within the past three years.
The first “b” notice serves as a warning to businesses, allowing them to correct their records before the irs takes further action. Web first “b” notice (cp2100/cp2100a) notice cp2100/cp2100a is known as the “backup withholding notice” and is sent when the irs identifies discrepancies between a payee’s name and tin on a business’s tax filing. Web the initial b notice informs the payer that the combination of tin and a name has not been identified in any b notice received by the filer within the past three years.