noun
extra pay; premium wages
Refers to additional wages paid for overtime, holiday work, or late-night work, as stipulated by labor standards.
労働基準法では、時間外労働には割増賃金を支払わなければならない。
Under the Labor Standards Act, extra pay must be paid for overtime work.
深夜勤務の割増賃金は通常の2割5分増しだ。
The premium for late-night work is an extra 25%.