of Fundamental Rights of the European Union . The charter is a codified catalogue of fundamental rights against which the EU's legal acts can be judged. It consolidates many rights which were previously recognised by the Court of Justice and derived from the "constitutional traditions common to the member states." [ 100 ] The Court of Justice has long recognised fundamental rights and has, on occasion, invalidated EU legislation based on its failure to adhere to those fundamental rights. [ 101 ] The Charter of Fundamental Rights was drawn up in 2000. Although originally not legally binding the Charter was frequently cited by the EU's courts as encapsulating rights which the courts had long recognised as the fundamental principles of EU law. Although signing the European Convention on Human Rights (ECHR) is a condition for EU membership, [ i ] previously, the EU itself could not accede to the Convention as it is neither a state [ j ] nor had the competence to accede. [ k ] The Lisbon Treaty and Protocol 14 to the ECHR have changed this: the former binds the EU to accede to the Convention while the latter formally permits it. Acts The main legal acts of the EU come in three forms: regulations , directives , and decisions . Regulations become law in all member states the moment they come into force, without the requirement for any implementing measures, [ l ] and automatically override conflicting domestic provisions. [ f ] Directives require member