late slip; tardy notice; report of late arrival
A written notice submitted to a school or workplace to explain a late arrival. Common in school settings.
Because I was late, I submitted a tardy slip to my homeroom teacher.
You need to write the reason in detail on the late slip.
早退届 is a notice for leaving early, whereas 遅刻届 is for arriving late.
Standard spelling for a written notice of lateness.
Variant spelling with okurigana け; both forms are used.
Compound of 遅刻 (chikoku, 'lateness') and 届 (todoke, 'notice, report').