Reviewing an advance-payment bond after a default
When construction or delivery stops after an advance has been paid, the purchaser may need to prepare both a return demand and a bond claim.
Assuming that the certificate amount guarantees a complete refund, or abandoning recovery simply because the certificate has expired, can overlook settlement and rights that still need examination.
This worksheet aligns one bond and one principal ledger on a common review date.
Enter the actual advance, cash returned, advance previously settled through progress payments, additional recognized offsets and prior bond payments separately.
The tool subtracts exclusions from remaining principal and compares that amount with available bond capacity, while keeping period and claim conditions visible as a separate review.
Use the worksheet to identify the principal and evidence to discuss with the issuer, without treating the arithmetic amount as approval or final loss.
Useful decision moments
- A purchaser preparing the first advance-return ledger after contractor or supplier nonperformance
- A contract manager checking termination valuation and additional appropriation of unpaid progress amounts
- A family or business reviewing remaining principal after partial bond payments or changes to the period or limit
Korean rules and the role of the actual certificate
Public-contract recovery and appropriation
Articles 35, 37 and 38 of the Government Tender and Contract Execution Standards, effective August 25, 2026, address advance security, settlement and recovery.
Article 38(4) includes a subcontract direct-payment exception to priority appropriation of unpaid progress amounts, so the tool does not automatically offset every unpaid progress amount.
Endorsements and separate interest
Articles 53 and 57 of the PPS Domestic Procurement Processing Regulation, effective July 10, 2026, provide context for public advances and security when delivery periods change.
Korean Civil Act Article 548, effective March 17, 2026, addresses restitution after rescission and interest on money, but this calculator reviews principal only.
Official sources were checked October 16, 2026.
This is a Korea-based 2026 worksheet in KRW; public-contract provisions do not replace private coverage terms or exclusions in an individual bond-insurance policy.
Check the certificate, endorsements, wording dates and main-contract amendments, then confirm that the event definition, parties and secured obligations match the actual case.
Separate inputs to avoid double deductions
Enter whole Korean won from zero to KRW 1 trillion.
Use the same principal under one bond and record both the ledger as-of date and the date on which the certificate and wording were checked.
Each optional ledger or bond evidence note accepts up to 120 characters: use a document or settlement reference without identity or bank-account numbers.
Meaning and fictional examples of advance-recovery inputs| Symbol and input | What to include | Avoiding duplication | Example (KRW) |
|---|
| A Advance paid | Original principal actually paid | Not a planned advance or the entire contract price | 100,000,000 |
| R Cash returned | Cash refunded by the contractor or others | Exclude bond proceeds and progress settlement | 10,000,000 |
| S Advance already settled | Advance already settled within earlier progress payments | Not the gross progress-payment amount | 20,000,000 |
| O Additional recognized offset | Recognized additional appropriation against unpaid progress | Do not repeat S or separately payable subcontract amounts | 15,000,000 |
| B Prior bond payments | Payments already received for this principal under this bond | Do not include the same sum in R | 5,000,000 |
| L Applicable total limit | Applicable certificate total including B | Confirm total versus remaining capacity | 45,000,000 |
| E Excluded amount | Excluded part of the principal still outstanding | Exclude principal already returned or settled | 5,000,000 |
Principal balance and arithmetic claim-review formulas
Reconcile the principal ledger first
- Unsettled advance U = A − R − S
- Remaining principal D = U − O − B
- Available bond limit H = L − B
- Principal after exclusions C = D − E
- Arithmetic claim review Q = min(C, H)
- Limit gap G = max(C − H, 0)
- Exclusion-and-limit gap T = E + G = D − Q
The reconciliation identity is A = R + S + O + B + Q + T.
Calculations stop if combined returns, settlement, offsets and prior bond payments exceed the advance, prior bond payments exceed the total limit, or exclusions exceed remaining principal.
Silently clipping these contradictions to zero would conceal duplicate entries: first check whether the same documented sum was entered twice.
An adequate limit does not remove exclusions.
If principal and interest share a limit, confirm how much capacity can actually be allocated to principal; do not mix interest or costs into this principal-only ledger.
Build the worksheet step by step
- Collect documents on one date basis: gather the certificate, endorsements, transfers and progress-settlement records, then align the ledger date.
- Reconcile principal and prior settlement: distinguish paid, returned, previously settled, additionally offset and already paid by the bond; enter confirmed zero only for an established absence.
- Choose evidence states: use confirmed for checked records, assumed for temporary estimates and unknown where evidence is missing.
- Enter the trigger and filing dates: compare the actual bond period, wording-based return trigger and planned claim date; add a separately checked final claim date if available.
- Read money and conditions separately: review principal, arithmetic claim and gap, then check unresolved period and filing conditions.
- Save evidence preparation and contact the issuer: check prepared documents, save TXT or print the worksheet to PDF, and ask about event recognition and additional requirements.
An entered amount starts as assumed, because typing a number does not verify a document.
Marking an existing value unknown excludes it from calculation; if only some values are missing, only dependent results are withheld.
The example button leaves every evidence condition assumed, so replace the fictional data with your records before preparing a real claim.
Fictional example: a KRW 100 million advance
Assume an advance of KRW 100,000,000, cash returned of KRW 10,000,000, prior advance settlement of KRW 20,000,000, an additional recognized offset of KRW 15,000,000 and prior bond payments of KRW 5,000,000.
The applicable total bond limit is KRW 45,000,000, and exclusions within remaining principal are KRW 5,000,000.
These are teaching figures, not standard product coverage or an actual payment example.
Results of the fictional advance-payment bond settlement| Result | Calculation | Amount (KRW) |
|---|
| Unsettled advance U | 100,000,000 − 10,000,000 − 20,000,000 | 70,000,000 |
| Remaining principal D | 70,000,000 − 15,000,000 − 5,000,000 | 50,000,000 |
| Available limit H | 45,000,000 − 5,000,000 | 40,000,000 |
| Principal after exclusions C | 50,000,000 − 5,000,000 | 45,000,000 |
| Arithmetic claim review Q | min(45,000,000, 40,000,000) | 40,000,000 |
| Limit gap G | 45,000,000 − 40,000,000 | 5,000,000 |
| Exclusion-and-limit gap T | 5,000,000 + 5,000,000 | 10,000,000 |
The KRW 100 million paid is reconciled into 10 million returned, 20 million previously settled, 15 million additionally offset, 5 million already paid under the bond, 40 million in arithmetic review and 10 million in the gap.
Prior bond payments affect principal and capacity once each and are not added again as cash returned.
What changes if the limit or recognized offset changes?
Only the total limit rises to KRW 60 million
Changing only L to KRW 60,000,000 gives available capacity H of KRW 55,000,000.
Q becomes KRW 45,000,000, the limit gap becomes zero and T becomes KRW 5,000,000.
A higher limit does not itself resolve exclusions, event recognition or claim conditions.
The additional offset rises by KRW 10 million
In the original example, changing only O to KRW 25,000,000 leaves principal D of KRW 40,000,000.
Eligible principal and Q become KRW 35,000,000, while T is KRW 5,000,000.
Q fell because more principal was recognized as settled; that is not automatically a greater loss.
Cash returned, progress settlement and bond proceeds are not equivalent cash inflows.
An advance settled against completed work is reflected in the transaction consideration and differs from money actually refunded to a bank account.
This tool does not calculate profit, tax, remaining construction cost or replacement-contractor expenses, so it is not a full project income statement.
Keep the bond period distinct from the filing deadline
Fictional date comparison
Assume a bond period of 2026-01-01 to 2026-09-30, a return-trigger date of 2026-09-25 and planned filing on 2026-10-20.
The trigger is within the entered period, while filing is 20 days after expiry.
If a separately checked final claim date is assumed to be 2026-12-31, filing is 72 days before that date and the arithmetic review amount remains KRW 40,000,000.
These comparisons do not express approval probability or establish whether the issuer will accept the filing.
The period check includes both the inception and expiry dates at calendar-date precision.
Changing the trigger to 2026-10-01 flags an outside-period review, without converting the arithmetic amount into an automatic denial.
An unknown final claim date remains unresolved, and even filing on an entered final date requires confirmation of the actual cut-off time and channel.
Do not assume that an insolvency date is necessarily the wording-defined return trigger.
Organize the evidence required by the certificate, such as rescission or termination, abandonment, a return demand and nonperformance.
Where immediate notification is required, contact the issuer promptly to confirm the necessary steps instead of waiting to finish this worksheet.
Scenarios for purchasers, families and contract managers
Termination settlement after work stops
Gather completed-work valuations and actual payments, then separate advance already settled from additional appropriation against unpaid progress amounts.
Leave disputed or subcontract direct-payment amounts assumed or unknown and identify questions needing issuer participation or further settlement.
Delivery extensions and contract amendments
If delivery was extended, check the bond endorsement and limit alongside the main-contract period.
Record the certificate evidence date and reference while confirming the applicable total limit and how the trigger and amendments affect cover.
Tracking principal after a partial bond payment
Separate prior bond payments from contractor cash returns, then deduct prior payments from the total certificate limit.
For recoveries under another bond or security, first agree their treatment in this ledger with the issuer instead of simply adding together multiple certificate limits.
Interpreting unknowns, assumptions, errors and limits
- A confirmed zero is usable; an unknown number is not. If only the limit or exclusions are unknown, remaining principal can still be shown.
- Even a worksheet with all inputs confirmed is ready for review, not a finding of approval, legal liability or final recovery.
- A future return trigger is only a planning scenario. An event later than the ledger date cannot be marked as an already confirmed occurrence.
- Dates are accepted in 2000–2100. Future-year entries retain the principles checked on October 16, 2026 and do not predict future wording changes.
- The model covers one principal under one bond. Joint contractors, multiple bonds, collateral allocation, assignment, attachments, litigation costs and actual interest allocation need separate review.
Interest may be relevant to monetary restitution, so its omission here does not establish that recoverable interest is zero.
Public-contract interest also needs daily outstanding advance balances and applicable terms rather than an invented flat rate.
Keep the worksheet with original evidence, and seek issuer assessment and legal review where appropriation or exclusions are disputed.
Frequently asked questions
Does a bond refund the entire advance?
Separate the original advance, actual cash returns, previously settled advance, additional recognized offsets and prior bond payments, then check exclusions and the applicable limit.
Possessing a certificate does not establish an accepted incident or a full refund; the calculator does not predict approval or actual payment.
Does filing after expiry make the result zero?
The calculator does not change an amount to zero solely because filing follows expiry: the date of the return trigger and the notification and claim conditions are reviewed separately.
An in-period trigger can still leave limitation or delayed-notice questions, so present the actual certificate and evidence to the issuer.
Should I subtract all progress payments?
Gross progress payments differ from the advance already settled within them, while an additional offset against unpaid progress amounts requires its own recognized basis.
Direct payments to subcontractors, attachments and settlement agreements can affect appropriation; repeating an earlier settlement as another offset understates the outstanding principal.
How do I enter a partial bond payment?
Exclude bond proceeds from cash returned and enter them separately as prior bond payments; they reduce remaining principal once and available bond capacity once.
Enter the applicable total limit including those prior payments, and first confirm whether an endorsement displays a total limit or only a remaining limit.
Can an unknown amount be entered as zero?
A blank or unknown amount leaves dependent results pending, and a retained numeric value marked unknown is not used in the calculation.
Enter zero and a confirmed state only when the absence of that item is established; keep temporary estimates marked assumed.
Is the coverage gap the final loss?
The gap is the part of entered remaining principal left outside the arithmetic review amount by exclusions or the limit; it does not establish final loss or extinguish a claim against the contractor.
If the issuer does not recognize the incident or coverage, recovery options may need review for the whole remaining principal, not merely the calculated gap.
Does the model calculate interest or a statutory deadline?
It covers principal only and does not automatically add monetary restitution interest under Civil Act Article 548, daily-balance interest under public-contract standards or late damages.
Enter a final claim date only after separately checking it with the issuer or a professional; the tool does not add an invented limitation period to expiry or adjust holidays and filing times.
Do public-contract standards govern private projects?
Public standards explain advance recovery and security in their own context; private contracts require the settlement, coverage and claim conditions of their actual certificates and endorsements.
Construction Guarantee guidance is issuer-specific, so do not treat it as universal wording for every guarantee or insurance product; check amendments and the identities of the creditor and debtor as well.
Official sources and update checks
The National Law Information OPEN API search and detail responses were checked for current status and effective dates on October 16, 2026.
The reviewed identifiers are 2100000284266 for the government standards, 2100000282194 for the PPS regulation and MST 284415 for Civil Act Article 548.
Construction Guarantee guidance was cross-checked for an in-period return trigger, notification, claims and settlement evidence.
After wording or contract changes, recheck the trigger, certificate period, total limit, prior payments, settlement, direct payments, exclusions, notification requirements and limitation of claim rights.
Amendments to public rules and the conditions applying to an individual certificate are separate update tasks.
Save the worksheet and check it with the issuer
Organize principal, capacity, dates and unresolved conditions into a review document, then contact the issuing organization with the evidence-preparation list.
The TXT and print report include inputs, states and evidence notes; saving a report does not submit a claim or request a payment.
For pre-issuance premiums and collateral, use the separate public-contract guarantee cash-budget calculator.