I need help from an attorney regarding certified content mail.

A certified content mail is a written document by which a creditor formally notifies a debtor of its intent, stating "repay the debt by a certain date," and it can serve as important evidence if a legal dispute arises later.

You can seek the help of an attorney for certified content mail, or the creditor may prepare it in person and send it through a post office.

At this point, by clearly stating ① the basis for the claim, ② the repayment deadline, and ③ the possibility of legal measures upon default (a lawsuit, compulsory execution, etc.) you can place much stronger psychological pressure on the other party.

However, one point to note is that a certified content mail itself has no compulsory force.

In other words, sending a certified content mail does not mean you will be paid right away, but when the matter later moves on to procedures such as an application for a payment order, a civil lawsuit, or compulsory execution, it is of great help in proving the fact that "the debtor did not comply even though the creditor legitimately demanded repayment."

Therefore, if the monetary claim is clear and the debtor keeps delaying, you should send a systematically prepared certified content mail.

If you need help preparing a certified content mail, or if you are also considering litigation later, it may be effective to seek the assistance of an attorney for certified content mail.