Significant effort will be needed by countries to develop detailed sector level implementation plans and understand associated investment and finance needs in light of available domestic resources. They are intended to articulate the actions each Party plans to implement post-2020 as part of its commitment to the international climate change regime. The (l)NDCs are in the first instance documents for communicating political commitments, setting out national or sectoral climate goals, and as such provide no detailed implementation plans, which can be used as a basis for business planning and investment decisions.