That obviously depends on why you did not achieve your quota.
Your letter should itemise such reasons as exist.
To write a letter stating that someone works for you, you should use official company stationery and begin the letter with an explanation that the person in question has worked for you from x date to y date.
To write a letter of explanation for late payments because of a change of address, you could say that you did not receive your mail in a timely fashion. You should also apologize profusely and state that you will endeavor to pay the outstanding amount by a given date.
Explaining a situation in a letter may be hard but is important. Refusing a transfer can be uncomfortable but the situation should be explained in the letter and even include a possible alternative.
You just send the letter by writing a formal letter and write their address and write why you sent the letter usually to about a problem you thankyou them and ask them if they can help write where they live.
Write to them on your letter headed notepaper
sample of an explanation letter
explanation letter for family problem
how do u write explanation of a surname change
Honestly.
To write an explanation answer letter of why you were AWOL you should include your name, rank, and specifically why you weren't on duty. You can start the letter with," please accept this as written notification as to why I was AWOL."
you vomited in the locker room sink
You can write a letter of explanation to an immigration officer to accompany an application of reinstatement by aquiring the official documentation and then filling it out.
absent without leave
falilure to report on duty
just say you are not guilty
Never give an explanation letter for why you are late and absent. These will only be excuses. Write a letter of apology and assure that it will not happen again.
You can write a simple letter stating why you don't have proof of employment. It will be up to the company whether they accept your letter or not.