An assessment model review is a provincial government examination of how the property assessment system is working and whether changes are needed. Reviews may consider fairness concerns (are similar properties assessed similarly?), administrative efficiency, impacts on different property types or regions, and alignment with policy goals. Stakeholders including municipalities, property owners, business groups, and assessment authorities typically provide input. Reviews can lead to legislative changes affecting assessment cycles, valuation methods, appeal processes, or special provisions for certain property types. Major assessment model reviews occur periodically when accumulated concerns warrant comprehensive system examination.