<human>: Could you distill the essence of the text into 1-3 sentences?

I've just recently established a payment arrangement for a charged off debt that went to a law office in Georgia. I request confirmation numbers and typically a letter of confirmation all the time so I can keep it for my own protection. However, this agent working for the attorney states:

> ***"We don't send out confirmation letters or payment arrangement letters as a company policy."***

... Later going on to say that too many people have gotten the letter then bailed on making the rest of the payments. While I understand the frustration, isn't it illegal to not give me a receipt of any kind? I require a letter for the Air Force to show proof of an arrangement.
<bot>: Can a law office that's collecting a debt choose not to give me any form of letter/receipt for an established payment arrangement?