Immigration Rules, 2051 (1994)
Rule 3
powers Of The Government Of Nepal To Grant Or Refuse To Grant Visa
(1) All powers, to grant or not to grant a visa to any foreigner, shall be vested in the Government of Nepal.
(2) The Government of Nepal may, on the basis of reciprocity, allow a citizen  of any friendly country to enter into Nepal even without holding visa.
Immigration Rules, 2051 (1994)
Chapter - 2
Rule 3: powers Of The Government Of Nepal To Grant Or Refuse To Grant VisaRule 4: Diplomatic VisaRule 5: Official VisaRule 6: Tourist VisaRule 7: Study VisaRule 8: Non-tourist VisaRule 9: Business VisaRule 10: Transit VisaRule 10A: Non-residential Nepalese VisaRule 11: Residential VisaRule 12: Visa Issuing, Regulating And Renewing AuthorityRule 13: Power To Refuse To Issue Visa Or To Grant Permission To Enter Into NepalRule 14: Power To Prohibit Departure From NepalRule 15: Points Of Entry Or DepartureRule 16: Arrival And Departure Forms To Be Filled UpRule 17: Certification Of Arrival And DepartureRule 18: Documents Required To Be ShownRule 19: Requirement To Register Presence And Give Notice Of Change In AddressRule 20: Restriction To WorkRule 21: Notice To Be Given For Cancellation Of VisaRule 22: Regularization Of VisaRule 23: Power To Change Visa CategoryRule 24: Power To Make Recommendation For And Issue Visa ProvisionallyRule 25: Power To Issue Travel PermitRule 26: Transfer Of VisaRule 27: Application For Extension Of Term Of VisaRule 28: Circumstances Where Visa May Be CancelledRule 29: FeesRule 30: Provision On Facility Of Single Entry, ………… Or Multiple EntryRule 31: Exemption From Visa Fees