This guidance note gives an overview on what countries need to do under the Paris Agreement in terms of setting out their climate objectives (Nationally Determined Contributions, or NDCs), implementing them, and tracking progress in doing this (transparency). The note is aimed specifically at government officials interested in the implications of the Paris Agreement on policy in their country, and takes account of latest developments following COP 24 in Poland in December 2018 and the Katowice Climate Package that was agreed there