Korea Content-Certified Mail Cost and Drafting Guide

Review Korean content-certified mail costs, electronic content certificate fees, delivery certificate add-ons, drafting checklist, and common legal use cases.

Typical 2026 postal costs

In-person baseline

About KRW 2,990

A4 one page, one recipient, registered content-certified mail.

With delivery certificate

About KRW 3,300

Adds the delivery certificate fee.

Electronic content certificate

KRW 2,530+

Covers up to three pages before optional add-ons.

Lawyer drafting range

KRW 150K - 500K

Depends on legal review and follow-up scope.

Use-case checklist

State sender, recipient, address, date, factual history, demand, deadline, and planned legal step.
For jeonse deposit return, include contract date, deposit amount, lease end date, move-out facts, and bank account.
For unpaid wages, state the work period, unpaid amount breakdown, Labor Standards Act Article 36 basis, and payment deadline.
Content-certified mail proves dispatch and content. It does not itself force payment or guarantee that the stated facts are true.

Related calculators

What Is Korea Content-Certified Mail?

Content-certified mail is a Korean postal service where Korea Post officially records that the sender mailed a particular document with specific content on a specific date. The sender, recipient, and post office each keep or process matching copies or electronic records.

The service does not itself force payment or prove that every statement is true. Its value is evidentiary: it helps prove notice, demand, termination, objection, or other legal intention in later negotiation, litigation, provisional seizure, or administrative complaint.

Important Note

Do not include false facts, insults, threats, or vague demands. A poorly drafted content-certified letter can create defamation, intimidation, or credibility problems for the sender.

2026 Cost Structure

Method or item	Cost reference from Korean page
In-person content-certified mail	Postal fee KRW 430 to 770 for common A4 weight, registered handling KRW 1,900, content certificate fee KRW 660 for one copy and one page
Additional page	KRW 120 for content certificate; additional copy page KRW 60
Additional copy or recipient	KRW 330 per copy plus applicable page add-on
Delivery certificate	KRW 310 optional add-on
Express handling	KRW 2,000 optional add-on
Electronic content certificate	KRW 2,530 basic fee up to 3 pages, plus KRW 100 per page from page 4

Common Use Cases

Jeonse deposit return demand after lease end, with contract date, deposit amount, move-out facts, deadline, and account details.
Unpaid wage demand, referencing the work period, unpaid wage breakdown, Labor Standards Act Article 36, and a payment deadline.
Contract termination notice for sale, lease, service, subscription, agency, or supply contracts.
Demand to stop defamation, copyright infringement, privacy invasion, nuisance, or repeated interference.
Pre-litigation final demand before filing a payment order, civil lawsuit, provisional seizure, or administrative complaint.

Drafting Checklist

Write the sender and recipient name, address, and contact information accurately.
State facts chronologically and attach or preserve supporting records such as contracts, payment receipts, photos, messages, and repair estimates.
State a specific demand, exact amount if applicable, performance deadline, and payment method.
Explain the planned next legal step if the deadline is missed, but avoid threatening or emotional language.
Keep the sender copy, receipt, tracking number, and delivery certificate if purchased.

Legal Effect and Limits

It proves dispatch and content more clearly than ordinary mail.
It helps prove that a legal notice reached or was attempted at the recipient address.
For prescription interruption, a demand letter alone is not enough forever. Follow-up legal action within 6 months can be required to preserve the effect.
It does not create a judgment, writ of execution, seizure order, or direct payment obligation by itself.

FAQ

Can the recipient ignore it?

The recipient is not forced to comply just because the letter arrived. But ignoring it can make the sender move to payment order, lawsuit, provisional seizure, labor complaint, or another formal step.

Can I send it online?

Yes. The Korean page describes electronic content-certified mail through Korea Post, with basic pricing beginning at KRW 2,530 up to three pages and additional page fees from page four.

Legal Use Notice

This English page translates and adapts the Korean calculator content for users who need Korea-based legal and cost estimates. Where an interactive calculator is shown, it uses the same Korean pure calculation function as the Korean page. It is an estimation tool, not legal advice for a specific dispute.