नियम ३१
Exemption From Visa Fees
While issuing a visa to the following persons for their entry into or presence in Nepal or while extending the term of their visas, they may be exempted or remitted from the visa fees in the following circumstances:
(a) Foreigners who visit Nepal the diplomatic or official visa;
(b) Foreigners who come to participate in a conference, assembly, training or meeting organized by the Government of Nepal or a body owned by the Government of Nepal or the United Nations Organization or a regional
organization or any other international institution or body thereunder;
(c) A Renowned person of a country which has diplomatic relations with Nepal;
(d) Citizens of any country on the basis of reciprocity;
(e) Descendants of the Nepalese parents or either of their parents is a citizen of Nepal, who are below the age of Sixteen years and hold foreign passport;
(f) Citizens of Nepali origin until they depart to a foreign country after they have obtained passport for the first time from Nepal-based foreign mission;
(g)  A persons who comes under a scholarship provided by the Government of Nepal or who comes to participate a programme approved by the Government of Nepal or a person who is exempted from the visa fees
pursuant to an agreement concluded with the Government of Nepal;
(h) A person who is unable to depart from Nepal due to the cancellation of flight, for the period until him/her departs by another flight;
(i) In a case where a foreigner is compelled to stay for a period more than that specified in the visa due to a circumstance beyond his or her control or where it is regularized pursuant to Sub-rule (1) of Rule 29.