に[基「もと」]づいて/に[基「もと」]づき/に[基「もと」]づく => Based on A N2
Based, Focused, Depending on
[要「よう」]するに => A. In short/put simply, B N2
Adjectival, Descriptions
[必要「ひつよう」]はない => It is not necessary for A to be done N2
Needs, Requirements