Legislative Change: Updated Construction Act Now In Force

Effective January 1, 2026, significant amendments to the Construction Act and its associated regulations came into force, affecting both contracts for professional services and construction.

Work is underway to update the Practice Tip PT.10 Series to reflect these changes. Click here to learn more.

Construction Act (after January 1, 2026)

PT.10.2 V.3.0 CA Procedures for the Release of Statutory Lien Holdbacks


References

Construction Act, R.S.O., 1990, Chapter C.30 (CA)

OAA/OGCA Take-Over Procedures, Document No. 100 (PDF)

Ontario Court Forms – Construction Act for all forms under the CA

Practice Tip 10.0 Construction Act/Construction Lien Act

 Canadian Handbook of Practice for Architects, (CHOP)

Attachment

Attachment 1 – OAA Statement of Deemed Completion of a Contract (Word)