1. Navigate to https://oktap.tax.ok.gov/oktap/Web/_/
2. Log in using your credentials for your Oklahoma DOR account
3. Click More…
4. Click Manage Names & Addresses
5. Select the Addresses tab
6. Select the current Mailing address
7. Click Change this address
8. Edit current Mailing address to 9450 SW Gemini Dr PMB 73938, Beaverton, OR, 97008
9. Click Review & Submit