Note:

A manual penalty assessment will prevent systemic recomputation.

See IRM 20.2.14, Netting of Overpayment and Underpayment Interest for an explanation of Interest Netting.

Miscellaneous penalty issues:

If the tax is full paid and the taxpayer requests reasonable cause consideration on FTF or FTP penalties and the amount of each is under ≡ ≡ ≡ ≡ ≡ ≡, allow the request and abate the penalty

If the taxpayer requests abatement of Estimated Tax (ES) penalty and the amount is under ≡ ≡ ≡ ≡ ≡, allow the request and abate the penalty