What are the visa & residency requirements in Tajikistan?

"To enter Tajikistan, visitors must obtain a visa prior to arrival. The process of applying for a visa involves submitting an application form, a valid passport, two passport-sized photographs, and a fee. Depending on the type of visa, additional documents may be required. To apply for residency in Tajikistan, applicants must submit an application form, a valid passport, two passport-sized photographs, a medical certificate, and a fee. Depending on the type of residency, additional documents may be required. The application process may also involve an interview with a representative of the Tajik government," said another expat in Tajikistan.