If you want to visit the great country of Tukastan you need to apply for a visa at your in-county tukastan embassy.
You can download the Form here: Visa Application Form.
If you apply for a tourist, pilgrim, transit or immigration visa, send the filled formed to the embassy at least 6 weeks before travel! If you apply for a business visa your employer has to send the visa to the embassy, for official (duty and diplomatic) visa your government has to send the visa to the embassy.
Notice: Tukastan offers no Visa on arrival!