Oregon prompt payment

Who and what this applies to

Public improvement contracts and their subcontracts under ORS 279C.570 and 279C.580.

Thresholds and scope

Agency progress payments are monthly on approved estimates.

The rules

• ORS 279C.570 requires monthly progress payments and automatic statutory interest commencing 30 days after invoice receipt or 15 days after agency approval, whichever is earlier. Written invoice-defect or dispute notice is due within 15 days. Source
• ORS 279C.580 requires public contracts to obligate contractors to pay first-tier subcontractors and suppliers for satisfactory performance within 10 days from agency-paid amounts, with required payment and interest clauses passed to lower tiers; permitted withholding requires the statutory written notice. Source

Deadlines

Monthly agency payments; 10-day downstream clause; 15-day defect notice.

Primary sources

• ors279c.html

Sources reviewed 2026-09-30. This guide covers the projects and rules stated above.

Back to Oregon contractor law · Prompt Payment topic guide.