The CP54G means the IRS received a payment but needs additional information to verify it before applying it to your account. The payment is being held until verification is complete. This often happens when the payment was received without a voucher, with incorrect identifying information, or in an amount that doesn't match any expected payment.
What to Provide
Send documentation identifying the payment: the tax year and form type it applies to, your name and Social Security number or EIN, the date and amount of the payment, the method of payment (check number, electronic confirmation), and a copy of the cancelled check or payment confirmation.
Why Verification Matters
Until the payment is verified and applied, your account balance doesn't reflect it. Penalties and interest continue accruing on the unapplied amount. The sooner you provide verification, the sooner the payment is credited and the accruals stop.
If you need help verifying a payment, call us at (813) 229-7100.