The 1120 return won't calculate the 2220 underpayment form and gives two options to a critical diagnostic. option 1 suppress the penalty form and let IRS send your client a nasty letter, option 2 calculate the penalty yourself, and paper file the return. These are both very poor options these penalty rates are readily available, cheap and even free tax programs and websites can calculate them and when i asked live chat they said 'that's how it is'.
ok agreed but that's not how it should be unless someone can explain why a little more convincingly.
