[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],

I am writing to request that you discard our statement of [DATE, June 1, 1998] as we have made a mistake.  [STATE NATURE OF ERROR, ex. Namely, that statement fails to reflect your payment of $12,232.23 on May 15].

Enclosed, please find a corrected statement, showing a new balance of $[AMOUNT].  Please accept my apologies for the error and any inconveniences it may have caused.

Sincerely,

[YOUR NAME, ex. Jill Jones]