1. The Commission shall base its first and second assessments referred to in Articles 6 and 7 on an indicative, linear trajectory which sets out the pathway for the reduction of net emissions at Union level and which links the Union 2030 climate target referred to in Article 4(1), the Union 2040 climate target, when adopted, and the climate-neutrality objective set out in Article 2(1).

2. Following the first and second assessments referred to in paragraph 1, the Commission shall base any subsequent assessment on an indicative, linear trajectory linking the Union 2040 climate target, when adopted, and the climate-neutrality objective set out in Article 2(1).

3. In addition to the national measures referred to in point (a) of Article 7(1), the Commission shall base its assessments referred to in Articles 6 and 7 on at least the following:

(a) information submitted and reported under Regulation (EU) 2018/1999;

(b) reports of the EEA, the Advisory Board and the Commission's Joint Research Centre;