# Coupon Duration Application Recheck

Recheck a coupon’s applied invoices against its duration setting.

## Scope
Preparation and review only. No account action or professional decision.

## Inputs
The coupon duration setting and the invoices that carried the discount.

## Workflow
1. Record the coupon duration: once, forever or repeating months.
2. List the invoices that carried the discount.
3. Flag discounts applied beyond the duration.
4. Return the recheck without discount changes.

## Output contract
coupon | duration | duration_months | discounted_invoices | over_applied_invoices

## Fictional acceptance test
Fictional coupon has a repeating duration of 3 months starting in January; the account shows discounts on 5 monthly invoices, 2 of them beyond the March cutoff: over-applied by 2 invoices.

## Review gates
Keep original values, source IDs and version dates. Unknown facts stay held. Use qualified review for hiring, legal and accounting conclusions. No send, share, sign-in, scheduling, ledger change or payment. Fictional contract review is not a live account compatibility test.

## Method source
https://docs.stripe.com/api/coupons/object

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