DENMARK – One of Many National Constraints on European Integration: Section 20 of the Danish Constitution - European Public Law View DENMARK – One of Many National Constraints on European Integration: Section 20 of the Danish Constitution by Jens Hartig Danielsen - European Public Law DENMARK – One of Many National Constraints on European Integration: Section 20 of the Danish Constitution Jens Hartig Danielsen 16 2 European Public Law