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.10.5 Construction Act – Interim Adjudication

References

Construction Act (CA), R.S.O., 1990, Chapter C.30.
Ontario Court Forms – Construction Act
PT.10.3 Construction Act – Prompt Payment
Canadian Handbook of Practice for Architects, (CHOP)