Thanks, I should be within the safe harbor for underpayment penalties as I withheld more than 110% of last years tax liability. It looks like this is due to the...
Thanks this about lines up with the extra $2,123 I owe. I did not know about this tax. Not sure why TurboTax just throws out "L57J" and doesn't explain it as NI...
Sorry it cutoff my question for some reason. The problem is there is a code "L57J" adding $2,123 to my taxes due. I cannot find an explanation for this anywhere...