noun
tax exemption limit; tax-free threshold
The income or amount below which no tax is levied; a technical term in taxation.
今年の免税点は昨年より引き上げられた。
The tax exemption limit was raised this year compared to last year.
控除 is a deduction from taxable income, while 免税点 is the threshold below which no tax is due.
Compound of 免税 (tax exemption) and 点 (point, threshold).