[Peepster]

Because I disagree that it's rightfully theirs.

[Dog Gone]

You stated that they made a mistake in overpayment. That's no different than a bank debiting your checking account twice for the same charge accidentally.

Should they be able to adopt your "finders keepers" philosophy?

[Rudder]

Because I disagree that it's rightfully theirs.

Dear Big, Nasty Company:

According to my records your request for xxdollars is in error. If you will submit copies all of my payroll records and indicate clearly where the records show the alleged overpayment, your request will be given further consideration.

Sincerely,