How to Use Surety Insurance to Increase the Deferred Payment Limit for Advertising (Corporate Business)
*The term 'deferred money' has been changed to 'deferred payment' starting June 24, 2025
What is a deferred payment limit increase using surety insurance for advertising?
If you are already able to use deferred payment but wish to increase beyond the basic limit or performance-linked limit,
an increase is possible by enrolling in surety insurance and submitting the insurance policy.
How much can the deferred payment limit be increased when using surety insurance?
When submitting a surety insurance policy, an additional increase equal to the surety insurance amount is possible.
(Example: Basic limit of KRW 5 million + Surety insurance of KRW 10 million → Deferred payment limit increased to KRW 15 million)
How to Increase the Deferred Payment Limit Through Surety Insurance Enrollment
1. Fill out the application form for surety insurance enrollment (▶Apply)
- Once you complete the application form via the link above, we will send the contract for surety insurance enrollment to your email within 2 business days.
How to Increase the Deferred Payment Limit Through Surety Insurance Enrollment
1. Fill out the application form for surety insurance enrollment (▶Apply)
- Once you complete the application form via the link above, we will send the contract for surety insurance enrollment to your email within 2 business days.
- The contract for surety insurance enrollment can be issued after the final project approval, once you have confirmed the project schedule.
- The enrollment period for surety insurance must cover the period from the project's scheduled open public date (or the project start date if no pre-open period is held) through three months after the project end date.
2. Enroll in Surety Insurance
The following procedure applies to corporate businesses. Individual business owners, please check here.
※ Whether you can enroll in surety insurance and the coverage amount will be determined based on your credit rating and other information.
Typically, 5% of all surety insurance enrollment requests are rejected,
For inquiries regarding surety insurance enrollment to increase the deferred payment limit, please contact SGI Seoul Guarantee's Seongnam Branch Jonggak Central Agency (031-701-9002) or check the nearest branch through the website before proceeding.
① Access the SGI Seoul Guarantee website (www.sgic.co.kr).
② On the SGI Seoul Guarantee website's main screen, complete corporate member registration, then click [Personal Information Consent].

③ Under [Consent for Contract Execution], click 'Consent for Personal Use', and under [Representative Consent for Corporate Credit Evaluation], click 'Consent as Corporate Representative' to proceed with consent.

④ Click [MY SGI] > [Submit Financial Statements] at the top of the SGI Seoul Guarantee website.

⑤ Use the financial data submission program to proceed with [Free Submission via Hometax].

⑥ Contact SGI Seoul Guarantee's Seongnam Branch Jonggak Central Agency (031-701-9002) or find the nearest branch through the website, proceed with eligibility review, and then confirm the required documents based on the coverage amount.
⑦ Once the insurance enrollment review is complete, a request for electronic signature will be sent via notification message. Upon receiving the notification, access SGI Seoul Guarantee (www.sgic.co.kr), log in, and proceed with personal joint certificate login.
*If you log in using a method other than a joint certificate, there will be restrictions on insurance enrollment services.

⑧ After logging in, click [Electronic Signature for Insurance Contract] at the bottom of the screen.

⑨ During the policyholder electronic signature process, click the policy number of the insurance you wish to enroll in.

⑩ After reviewing all application details, check the confirmation box, agree to the terms, and click electronic signature.

⑪ Click [Sign], enter your certificate password, and complete the signing process.

⑫ If there is a joint guarantee condition for the representative director, a personal visit to the surety insurance company's branch for a handwritten signature is required.
⑬ Click [Pay Insurance Premium] on the SGI Seoul Guarantee website.

⑭ Click the [Policy Number] among the payment targets to confirm the payment target, check the [Selection Box], and then click [Proceed to Next Step].

⑮ Payment is available on weekdays from 09:00 to 17:30. Choose from wire transfer without account, real-time bank transfer, or credit card to proceed.

⑯ Once payment of the insurance premium is complete, you can check the payment details in the [Payment Complete] tab.

⑰ Confirm the policy number and mailbox number via the notification message or receipt sent in the insurer's name, then go to [Insurance Policy Mailbox] on the SGI Seoul Guarantee website.

⑱ In the Insurance Policy Mailbox, enter the [Policy Number] and [Insurance Policy Mailbox Number], then click the [Search] button.

⑲ Click the [Save & Print] button, then click the [Save] icon to download the file.

⑳ After enrolling in surety insurance, click the [Request Limit Increase] button under Ad Center > Payment Management > Deferred Payment to submit the issued insurance policy.
㉑ Deferred payment Complete the limit increase request by attaching the surety insurance policy as an attachment in the limit increase request.

㉑ The deferred payment surety insurance limit will be increased. (Up to +3 business days from the date the insurance policy is submitted)