CTR-AP-AUTOMATION · version 2
Invoice Capture and AP Automation — Supplier invoices
The highest-volume contract on the estate and the one the AI GBS towers depend on most directly.
RatifiedIn contract
What the contract says
These are the terms the connector is generated against. more
Entity
Supplier invoice · bidirectional
Primary key
invoiceId
Declared volume
82,000 records a day
Freshness commitment
30 min
Owner
M. Okonjo · Shared Services Technology
Vendor
Basware · high criticality · modeled
Cardinality
One invoice to many lines and to at most one purchase order. An invoice with no purchase order is valid and routes to the non-PO exception class.
Write-back rule
Block, unblock and coding proposal are in scope. Payment release is not, and never will be under this contract.
Review state
Neither review is performed by the team that wrote the contract.
Security reviewApproved
R. Osei · Jul 16, 2026
Privacy reviewApproved
Helena Marsh · Jul 22, 2026
Validation and drift
Drift is only detectable on a contract that has been read against a sample.
Last validatedAug 9, 2026 · 9 d ago
15,000 records read in the sample.
Validated against 15,000 captured invoices. Shape held.
The field list
6 fields · 1 key · 0 personal. The validation rule on each row is what admits or rejects a record at the staging boundary.
| Field | Source | Target | Type | Flags | Drift | Validation |
|---|---|---|---|---|---|---|
| Invoice id | invoice.id | invoice.ref | uuid | keyinternal | In contract | Source-generated. Idempotence key for the whole feed. |
| Supplier id | invoice.supplierId | invoice.supplierRef | string(10) | internal | In contract | Must resolve to an active supplier record. |
| Gross amount | invoice.grossAmount | invoice.gross | decimal(15,2) | internal | In contract | Positive. Credit notes arrive as a separate document type, not as a negative invoice. |
| Currency | invoice.currency | invoice.currency | string(3) | internal | In contract | ISO 4217. An unknown code quarantines the invoice. |
| Captured image reference | invoice.docRef | invoice.imageRef | string(120) | internal | In contract | Pointer only. The image itself stays in the source system and is never copied into the spine. |
| Confidence score | ocr.confidence | invoice.captureConfidence | decimal(4,3) | internal | In contract | Between 0 and 1. Below 0.82 the invoice is admitted but flagged for the exception queue rather than straight-through. |
What has passed the staging boundary against this contract
3 batches · 13,297 arrived · 13,062 admitted · 189 quarantined · 46 rejected
| Batch | Arrived | In | Admitted | Quarantined | Rejected | Result | Gate |
|---|---|---|---|---|---|---|---|
| STG-0006 | Aug 18, 08:00 | 4,410 | 4,357 | 19 | 34 | Partly admitted | 4,357 admitted · 19 quarantined · 34 rejected outright. |
| STG-0007 | Aug 18, 07:00 | 4,285 | 4,142 | 143 | 0 | Partly admitted | 4,142 admitted · 143 quarantined · 0 rejected outright. |
| STG-0008 | Aug 18, 06:00 | 4,602 | 4,563 | 27 | 12 | Partly admitted | 4,563 admitted · 27 quarantined · 12 rejected outright. |
Rejects raised against these batches
5 reasons covering 235 records. Each one names a field, what was observed and what the contract expected.
Currency code not in the declared standard34 records · 1 h oldFix at source
Observed: 2 codes that are not ISO 4217
Expected: An ISO 4217 code
STG-0006 · field currency · queue reject · M. Okonjo
Capture confidence above the declared range19 records · 1 h oldOpen, no owner
Observed: Values above 1 on 19 documents
Expected: Between 0 and 1
STG-0006 · field captureConfidence · queue quarantine · no owner assigned
Counterparty not matched to the supplier master143 records · 2 h oldOwner assigned
Observed: Scanned invoices with no supplier number on the face
Expected: An active supplier record
STG-0007 · field supplierId · queue quarantine · M. Okonjo
Currency code not in the declared standard12 records · 3 h oldFix at source
Observed: A single non-standard code
Expected: An ISO 4217 code
STG-0008 · field currency · queue reject · M. Okonjo
Capture confidence above the declared range27 records · 3 h oldOpen, no owner
Observed: Values above 1 on 27 documents
Expected: Between 0 and 1
STG-0008 · field captureConfidence · queue quarantine · no owner assigned
Replay windows
1 window recorded against this contract.
RPL-002Completed
Connector defect · Jul 22, 2026 to Jul 23, 2026
The capture confidence field was truncated to two decimals for one day, pushing borderline invoices into the exception queue.
9,140 replayed · 8,871 held at the idempotence key · 0 duplicates created
Write-back routes into this system
2 routes designed against Invoice Capture and AP Automation.
release-for-payment · InvoiceDesigned, never live
WB-AP-01 · agent · authority PR9-AUTH-A1 · policy PR9-POL-200
4 attempted · 0 written to a production system
request-supplier-clarification · InvoiceDesigned, never live
WB-AP-02 · agent · authority PR9-AUTH-A1 · policy PR9-POL-200
2 attempted · 0 written to a production system
What goes stale when this feed does
4 asserted figures depend on Invoice Capture and AP Automation. more
| Figure | Where it is shown | Role | On stale | Note |
|---|---|---|---|---|
| Transactions processed each week | AI GBS towers | contributing | Mark it stale | Invoice capture is the largest single stream in the count. |
| Supplier invoice value cleared | Reconciliation ledger REC-01 | contributing | Mark it stale | Capture supplies the document side of the match. |
| Touchless processing rate | AI GBS towers | primary | Mark it stale | Straight-through invoices are counted at capture. more |
| Units held in intake quarantine | Intake quality | primary | Mark it stale | Most held units are captured documents. more |
What this contract is, and what it is not
A contract, a validation rule, a freshness commitment and a replay path are real mechanisms and they are what this wave builds. more
The last validation read 15,000 records 9 days ago, which is 18% of a single day at the declared volume. A sample proves the shape of what it read and nothing beyond it.