IPC certification trail
Interim payment certificates where every figure is derived by the server and traceable to the measurement that produced it — including the deductions.
- Commercial manager
- Certifier
- Finance
On a contractor's desk. A reduced certificate with no explanation is the most corrosive document in a project relationship. When every deduction shows its basis — recovery, retention, NCR hold, LD — the conversation is about the clause rather than about trust.
What it holds
Gross to net, computed
Work value, variations, escalation, advance recovery, retention, statutory deductions and holds — each a line with its authority, arriving at a net nobody typed.
Integer-rupee ledger, append-only
Money is held in whole rupees, in a ledger that accepts inserts and refuses updates. Corrections ride the next certificate; history is never quietly adjusted.
Four-eyes and period locks
The person who raises cannot certify. Once a period is locked, nothing inside it moves — the closed month stays closed.
Certificate to transmittal to portal
The certified IPC issues as a document, travels on a transmittal, and appears in the client and contractor portals — one artefact, one reference, no parallel PDF in circulation.
The flow
- 01RA bill submitted from measured quantities.
- 02Deductions applied by rule; holds picked up from open NCRs.
- 03Certified by a different authorised user; reference minted.
- 04Issued, hashed, transmitted; the ledger entry is final.
What it will not allow
- Certifying your own submission
- A free-text amount with no basis
- Editing a certificate after issue