求Template - 因公司有事不能返學

Dear "school"或TO WHOM IT MAY CONCERN,　

This letter is to certify that Mr/Ms YOU took absent from class on DATE due to our company's Annual Dinner event.

Sincerely,

YOUR MANAGER
TITLE
COMPANY NAME

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The Principal,
XXXXX College(or School),
Address.

Dear Sir,
I am awfully sorry that by reason of attending the annual dinner held on 7th. February by the Company I am working with which made me unable to attend the class on the same day without giving prior notice to the college. Hereinwith will please find a letter from the General manager of our Company to certify the aforesaid event as requested.

Yours respectfully,
XXXXX