Rule 65
Letter Subject To Late Fee
If a letter, postal letter and aerogramme have been received within the determined time, it shall be dispatched by the designated post. The additional late fee for each letter, postal letter and aerogramme over and above the concerned fee must be paid by affixing postage stamp as prescribed by the Government of Nepal. The post offices where the afore-mentioned articles may be dispatched by post upon receiving the late fee and the procedure of submission shall be as prescribed by the Director General.