DEBIT BLOCKS – Some financial institutions impose a block on Automated
Clearing House (ACH) debits (e-checks). If you have a debit block on your bank
account, you will need to provide a company identification number to your financial
institution before using this system. The company identification number for
Property Tax Oversight Certification & Training payments is V596001874.
A guide to using this portal can be accessed and downloaded by clicking on the link below:
PTO Certification Training Online Payment Guide
Course Codes List
Please select transaction type:
Property appraisalTax collection
Please select category and fill out information. Remittance for:
Enter one student enrollment then click on “add another order” below to enter additional enrollments.
The enrollments must be done one at a time. If your order is complete after enrolling one student
please click on the “next” button below.
Purchase IAAO books accompanying a class enrollment here.
You can order all other IAAO books directly through
Total Cost $