[DATE, ex. Monday, March 31, 2008]

[NAME, COMPANY AND ADDRESS, ex.
Link Building
XYZ Inc.
1234 First Street
Suite 567
Anycity, Anystate  85245]

Dear [NAME, ex. Link Building],

We purchased paper supplies from you under invoice no. [INVOICE NUMBER] dated [INVOICE DATE] in the amount of $[AMOUNT OF INVOICE].

The supplies were subsequently returned to you unused on [DATE OF RETURN OF SUPPLIES], at which time you assured us that we would receive a full refund.

We are still awaiting our refund. Please provide us with a Check representing the above amount as soon as possible.

Sincerely,

[YOUR NAME, ex. Jill Jones]