Alberta Proper Invoice Requirements

Alberta contractors need a proper invoice workflow that captures required invoice information, delivery date, payment deadline, dispute notices, subcontractor pass-through obligations, holdback, and project evidence.

Invoice packet checklist

Contract and project identification
Invoice date and billing period
Work, services, or materials supplied
Amount payable and taxes
Approved change orders and backup
Delivery record and payment due date

Holdback calculator

Estimate the holdback and invoice clock.

Use this as a planning calculator only. Construction payment, lien, holdback, and notice rules depend on jurisdiction, contract terms, project type, and timing.

Contract or invoice amount Holdback percent Proper invoice date Owner payment period

Holdback$10,000.00

Net payable before holdback release$90,000.00

Estimated payment dueChoose invoice date

Ontario non-payment notice checkpointChoose invoice date