OLT.com Customer Service Knowledge Base
Submit a new Inquiry and receive email notification as soon as it is resolved.
View a categorized listing of all common frequently asked questions.
Latest Knowledgebase Articles
Date updated
Orange arrow FAQ May 27, 2025
2197 views
Orange arrow I forgot my password and can't log in. Mar 24, 2022
5174 views
Orange arrow Qualified Charitable Contribution (QCD with a 1099R) Mar 21, 2022
3195 views
Orange arrow What is Standard Deduction? Jan 18, 2022
7861 views
Orange arrow Iowa Form 4136 Motor Fuel Tax Credit Jan 07, 2022
4567 views

Popular Knowledgebase Articles
Views
Orange arrow Iowa Vehicle Registration Fee Deduction 12953
12953 views
Orange arrow E-file Rejection errors due to incorrect pin. 11898
11898 views
Orange arrow Capital Gains and Losses 11275
11275 views
Orange arrow What is the phone number for OLT? 10593
10593 views
Orange arrow Payment Options to OLT 9829
9829 views

Top Rated Knowledgebase Articles
Rating
Orange arrow EIC ISSUE

5778 views
Orange arrow What is error IND-025?

4600 views
Orange arrow Hawaii Residency

4690 views
Orange arrow Casualty and Theft FMV (Fair Market Value)

6598 views
Orange arrow Do I need to file a South Dakota state tax return?

5340 views