Recipient and re line
The Directors, Harlow Fittings Ltd
Re: Invoice no. 0412 — outstanding balance of £13,640.00
Body
We act for Ms Elena Ruiz. Our client delivered goods to you on 3 February and issued invoice no. 0412 on 5 February. A balance of £13,640.00 remains unpaid.
We require payment of the balance within 7 days of the date of this letter. (appears in this excerpt)
[insert: usual payment clause] (appears in this excerpt)
Closing and signature
Yours faithfully, (appears in this excerpt)
David Okoye (appears in this excerpt)