Instructions For Form 8959 - Web the irs has instructions for form 8959 available to help you file correctly. Web form 8959, additional medicare tax, is used to figure the additional 0.9% percent medicare tax on the portion. How it’s calculated to calculate. Web for instance, if you’re single, head of household, a qualifying widow (er), or married filing separately (and lived apart.
How it’s calculated to calculate. Web form 8959, additional medicare tax, is used to figure the additional 0.9% percent medicare tax on the portion. Web for instance, if you’re single, head of household, a qualifying widow (er), or married filing separately (and lived apart. Web the irs has instructions for form 8959 available to help you file correctly.