xmlns:atom="http://www.w3.org/2005/Atom"
4. The conditions referred to in section 6(3) are that the invoice or similar document must—
(a)be clear, legible and comprehensible; and
(b)contain the following statement, displayed in uppercase lettering and in a manner that makes that statement readily apparent to a reasonable person reading that invoice or similar document—
“THIS IS NOT A DEMAND FOR PAYMENT
THERE IS NO OBLIGATION TO PAY
THIS IS NOT A BILL”