When a customer does not pay an invoice, depending on company policy it usually sends a collection letter to that customer. In addition to that, the company has the ability to add fees to be charged on each generated collection letter, in addition to that, the customer could be blocked from invoice transactions. The following diagram illustrates the main building blocks for the collection letter:
To set up the collection letter sequence, navigate to Credit and collections | Collection letter | Set up collection letter sequence; the Collection letters form contains a collection letter sequence ID, collection letter code, ...