noun, noun or participle which takes 'suru'
punitive wage cut; salary reduction as punishment
A formal disciplinary measure in employment contexts, where a portion of salary is deducted as a penalty.
彼は遅刻が続いたため、罰俸処分を受けた。
He received a punitive wage cut for repeated tardiness.
就業規則
If you violate the work regulations, a punitive salary reduction may be imposed.