Mining companies, banks, regulators, and consultants already hold the files: RCE workbooks, Forward Programs, bank guarantees, offset plans, GIS. RehabLedger turns those files into a dated security position without flattening them into a spreadsheet total. Remaining cost to complete is computed only when remaining work and current rates are present.
| Stage | For whom | Function |
|---|
| Upload | Consultant / operator | Accept quantities, rates, approvals, GIS. Hash. Do not move originals. |
| Estimate | Consultant / operator | quantity × rate × modifier + allowances. Tool and rate version stored. |
| Position | Operator / bank / regulator | Estimate, assessed security, lodged instrument, provision — four columns. |
| Remaining work | Operator / consultant | Remaining quantity × current rate. If either is missing, cost to complete is unavailable. |
| Offset | Proponent / ecologist / assessor | Guide or policy score, separate from implementation cost. |
| Evidence | Regulator / auditor | What supports the position, what is missing, what is a scenario. Gaps stay gaps. |