income tax deduction
noun[CorU]
ukusTAX
anamountofmoney, such as thecostof something that you need to doyourwork, that thetaxauthoritiesallowyou tosubtractfromyourincomebefore youcalculateyourtaxpayments:
Journalists'unionswanta 30%incometaxdeductionforprofessionalexpenses.