1. Brexit: Constitutional Challenges and Implications
European Parliament
Committee on Constitutional Affairs
Prof Piet Eeckhout
UCL Faculty of Laws

2. Scope withdrawal agreement
Negotiating directives: “strictly necessary”; “horizontal competence”; no effect on distribution of competences
Precarious distinction with future relations
Withdrawal agreement also regulates future relationship; UK as third country
Wide scope
All-in-one? Dual legal basis with e.g. association agreements competence

3. Institutions
Commission & Council: standard negotiation/conclusion set-up
Role EP: take-it/leave-it or suspensive effect?
Role ECJ: scope for an Opinion – suspensive effect?

4. Legal certainty – enforcement – dispute settlement
Incorporation in UK legislation & direct effect
Role ECJ: unprecedented; operation?
New dispute settlement mechanism:
EFTA Court model?
Preliminary rulings?
Autonomy EU law?