2. Definitions: Unless the subject or context otherwise requires, in these Rules;
(a) “Act” means the Environment Protection Act, 1996.
(b) “Convention” means Vienna Convention for the Protection of the Ozone Layer, 1985.
(c) “Protocol” means The Montreal Protocol on Substances that Deplete the Ozone Layer, 1987.
(d) “Substance” means any substance from among the controlled Ozone Depleting Substances as mentioned in the annexes A, B, C and E of the  Protocol and as incorporated in the specifications pursuant to Rule 3  and this term also includes to any substance prescribed by the Ministry  from time to time by a Notification published in the Nepal Gazette.
(e) “Importer” means any person, firm or enterprise possessing license in  accordance with the existing law to import substance into Nepal from  any foreign countries.
(f) “Dealer” means any person, firm or enterprise that conducts sales and  distribution of the substance or agent of such person, firm or enterprise and this terms also includes to the importer of the substance which  him/herself conducts sales and distribution of the substance.
(g) “Consumption” means consumption of the substance through trading  and business in refrigeration, air conditioning, agriculture, health including fire extinguishing or industrial uses and this term also includes
to sales and distribution, storing or stocking of the substance.
(h) “Licensing Authority” means Director General of the Department of Commerce and this term also includes to any other official designated by Government of Nepal as export import controller.