Accounts payable automation for construction
Construction procurement is project-based rather than department-based — spend has to tie back to a specific job cost code, and payment terms are frequently governed by lien-waiver and retainage requirements that most general-purpose P2P workflows do not model natively.
What makes construction procurement different
| Constraint |
|---|
| Every invoice needs to map to a job/cost-code structure, not just a GL account, which requires P2P-to-job-costing integration most platforms treat as an add-on |
| Retainage (commonly 5-10% withheld until project milestones or completion) requires partial-payment logic that standard three-way match does not support out of the box |
| Lien waiver collection is frequently a legal prerequisite to releasing payment, adding a compliance step outside the core P2P workflow |
Compliance touchpoints
- State mechanics lien statutes governing payment timing and waiver requirements
- Davis-Bacon Act prevailing-wage documentation on federally funded projects
Job-cost-driven purchasing with retainage schedules and subcontractor pay-application workflows layered on top of standard PO/invoice matching.
How accounts payable automation applies to construction
Accounts payable automation is the use of software — typically OCR/AI invoice capture combined with workflow routing — to move an invoice from receipt through matching, approval, and payment without manual data entry at each step. It replaces the traditional model of a clerk keying invoice line items into the ERP by extracting structured data directly from the invoice document and validating it against purchase order and receipt records.
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