Send this letter as a first warning to any client who is late on a payment.
{Date}
To: {Name}
{Address}
{City, State, Zip}
Dear {Recipient},
This letter serves as official notice that your payment with {company name} is past due in the amount of {amount}.
The account number is {number}.
This is your first notice that this payment is late. Please send payment as soon as possible, in order to prevent escalation of this case.
Thank you,
{Sender}
