(f) Information on the circumstances under which the Party may update the values of the reference indicators. Values may be updated due to methodological improvements to the GHG inventory.2 Time frames and/or periods for implementation: (a) Time frame and/or period for implementation, including start and end date, consistent with any further relevant decision adopted by the Conference of the Parties serving as the meeting of the Parties to the Paris Agreement (CMA); From 1 January 2021 to 31 December 2030. (b) Whether it is a single-year or multi-year target, as applicable. Single year target, 2030 3 Scope and coverage: (a) General description of the target; Economy-wide, net emission reductions by at least 55% in 2030 compared to base year emissions. The target covers all sectors and greenhouse gases.