Each Party included in Annex I shall use 19[xx] as its base year for nitrogen trifluoride, hydrofluoroethers/fluorinated ethers, perfluoropolyethers, and trifluoromethyl sulfur pentafluoride, for the purposes of the calculation referred to in paragraph 7bis above.
Each Party included in Annex I shall use 19[xx] as its base year for nitrogen trifluoride, hydrofluoroethers/fluorinated ethers, perfluoropolyethers, and trifluoromethyl sulfur pentafluoride, for the purposes of the calculation referred to in paragraph 7bis above.