The World’s Leading Organization on Property Tax Policy and Practice


Upcoming IPTI Conferences

IPTI, in collaboration with our partners, is thrilled to announce three highly anticipated conferences scheduled for this year.  Click on the links below for more details.

RICS/IPTI 11th Annual Caribbean Valuation And Construction Conference
Date: Oct 2 & 3

Conference of Valuation Agencies (COVA 2024)
Date: Oct 29 & 30

For inquiries, please reach out to

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Upcoming IPTI Conferences Image
MA105 Mass Appraisal Valuation Series: Mass Appraisal Concepts: Valuation Models

September 24, 2024

Provides the attendees with an understanding of how multiple regression analysis is used in mass appraisal, highlighting the model specification and calibration process. The topics covered include defining a model, overview of multiple regression analysis, data transformations, various types of model calibration and key regression statistics and an overview of additive, multiplicative and nonlinear models

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MAV Training Series
MA106 Mass Appraisal Valuation Series: Mass Appraisal Concepts: Quality Control and Model Application

October 24, 2024

Provides an understanding of how to measure model results and ensure consistent and equitable predictions. Topics include purpose and role of ratio studies, determining the level of appraisal, horizontal equity, vertical equity, international standards, and sample vs population – issues to avoid.
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MAV Training Series


I must start this newsletter by thanking all the speakers, moderators and sponsors who participated in our recent Mass Appraisal Valuation Symposium (MAVS). The 2024 MAVS was a two-day, online event delivered jointly by IPTI and IAAO on 26 and 27 June. We covered a wide range of topical subject-matter and our many expert presenters from around the world shared their knowledge and experience in a way that I am sure the global audience really appreciated.....

A picture of IPTI's President, Paul Sanderson


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