Keep the letter short and get to the point.
Mention the date when you took the actual leave.
Give a good reason for not having informed the HR or your supervisor beforehand.
Adopt an apologetic tone and ask that your leave be marked for that particular day.
Sign your letter in the end.
Sample of a Leave Letter After Taking Leave #1
Gabriel K. Vargas,
31 Lower Smith Street,
London, SW1P 3BN,
020 7898 1300.
Dated: 20th February 2012.
Subject: Joana Frank-Leave letter for absence on 18th February.
This is to inform you that I was not feeling well and was suffering from a bad bout of flu, which rendered me unable to come in to work on the 18th of February 2012.
Please excuse the lack of prior notice and kindly mark my leave on the date mentioned.
Leave Letter After Taking Leave Sample #2
Marcella A. Mislivecek,
10 Henrietta St,
London, WC2E 8PS,
Dated: 3rd March 2012
Subject: Request to mark leave for 28th February.
Dear Ms. Mislivecek,
I would like to humbly request that you mark my leave for the 28th of February 2012, when I was absent owing to some unforeseen circumstances that rendered me unable to inform the office beforehand.
If you have any concerns, please let me know.
Template of a Leave Letter After Taking Leave
Subject: (that summarizes the purpose of the letter)
I would like to clarify that I, (Your name), had to take a day off on (Date you took the day off) on account of (Your reason) and was unable to inform you on time.
I would like to humbly request you to please mark my leave on the aforementioned date.
Thanking you in advance,