Sincerity of belief as a condition for the protection of Article 9 of the European Convention on Human Rights – Three types of insincerity in the context of freedom of belief – Parody religions – Fraudulent religions – Conceptual linkage between insincerity and ulterior motive – Insincerity defined as demanding to practise one’s ‘belief’ while solely having an ulterior motive – Circumstances that should not be considered evidence of insincerity: implausible manifestations, inconsistency with co-believers – Circumstances that should be considered evidence of insincerity: obvious unseriousness, ignorance, personal inconsistency – Comparison to rejected and accepted forms of evidence of insincerity in the case law of the European Court of Human Rights – Burden of proof in the case law of the European Court of Human Rights.