noun
tax credit; tax exemption
A reduction in the amount of tax owed, often used in legal and accounting contexts. Note that a tax credit directly reduces tax liability, while a tax exemption excludes certain income or transactions from taxation; both are covered by this term depending on context.
住宅ローン減税は税額控除の一種です。
The mortgage tax reduction is a type of tax credit.
Under this system, you can receive a tax credit if you meet certain conditions.