[DATE, ex. Wednesday, June 11, 1998]
[NAME, COMPANY AND ADDRESS, ex.
1234 First Street
Anycity, Anystate 85245]
Dear [NAME, ex. John Smith],
I am in receipt of your invoice #[INVOICE NUMBER], dated [DATE, ex. June 8, 1998].
Since [STATE WHAT STILL NEEDS TO BE DONE, ex. Units 5, 6 and 12 of our construction site still require clean up and disposal], I am unable to pay you at the moment. I will be pleased, however, to send you a check in the amount of $[AMOUNT] once the above work which we agreed upon is completed.
[YOUR NAME, ex. Jill Jones]