Withdraw Allowance

Dear Senior,
I need to send out a letter to one of my staff regarding his allowance being withdraw due to he do not perform as per mutual agreement.
How should i write the letter in very nicely ??
Need advise...
Thank you very much...

Hi,
It seems you wish to withdraw a particular 'head of allowance' from the pay structure of a specific employee. Therefore should specifically mention what's the allowance name you're referring to. Based on that we can help you.
Warm regards,
Umesh Chaudhary
(welcomeumesh@yahoo.com)

Hi,
I need to send out a letter to our staff for being withdraw his car allowance due to company has rent a car for replacement.
How shall i write this letter?
Please advise.

Hi all,
I need to send a letter to our staff for being withdraw his car allowance due to company has rented a car for replacement.
How shall i write this letter?
Please advice.
Thank you.