What are the visa & residency requirements in Nepal?

"To enter Nepal, visitors must obtain a visa from a Nepalese embassy or consulate prior to their arrival. The process of applying for a visa involves submitting a completed visa application form, a valid passport, two passport-sized photographs, and the applicable visa fee. Depending on the type of visa, additional documents may be required. To apply for residency in Nepal, applicants must submit a completed application form, a valid passport, two passport-sized photographs, and the applicable fee. Depending on the type of residency, additional documents may be required. The application must be submitted to the Department of Immigration in Kathmandu. After the application is approved, the applicant will be issued a residency permit," remarked another expat in Nepal.