noun
tax interest; interest on deferred tax
A legal/financial term for interest imposed when tax payments are delayed. Used in official contexts such as tax law and accounting.
納税が遅れると利子税が課されることがあります。
If tax payment is delayed, tax interest may be imposed.
Compound of 利子 (interest) and 税 (tax). The exact historical derivation is uncertain; the term is used in modern Japanese tax law.