Additional Medicare Tax. Attach Form 8959 - Additional medicare tax, irs form 8959. Form 8959, additional medicare tax, is used to figure the additional 0.9% percent medicare tax on the portion of wages, self. The additional medicare tax (amt), reported on irs form 8959, is a 0.9% tax on high income.
Additional medicare tax, irs form 8959. The additional medicare tax (amt), reported on irs form 8959, is a 0.9% tax on high income. Form 8959, additional medicare tax, is used to figure the additional 0.9% percent medicare tax on the portion of wages, self.