(a) oblikujejo, kadar je to primerno in v okviru možnosti, stroškovno učinkovite državne, in kadar je primerno, tudi regionalne programe za izboljšanje lokalnih emisijskih faktorjev, podatkov o dejavnostih in/ali modelov, ki kažejo družbenogospodarske razmere posamezne pogodbenice za pripravo in občasno dopolnjevanje državnih evidenc antropogenih emisij iz virov in po ponorih odstranjenih toplogrednih plinov, ki jih ne nadzira Montrealski protokol, z uporabo primerljivih metodologij, ki jih odobri Konferenca pogodbenic in so v skladu s smernicami za pripravo državnih poročil, ki jih sprejme Konferenca pogodbenic;
(a) Formulate, where relevant and to the extent possible, cost-effective national and, where appropriate, regional programmes to improve the quality of local emission factors, activity data and/or models which reflect the socio-economic conditions of each Party for the preparation and periodic updating of national inventories of anthropogenic emissions by sources and removals by sinks of all greenhouse gases not controlled by the Montreal Protocol, using comparable methodologies to be agreed upon by the Conference of the Parties, and consistent with the guidelines for the preparation of national communications adopted by the Conference of the Parties;