False
The constitution is the only source of constitutional law.
The American Judicial System, part of the Senate decides which laws are constitutional.
Legislative.
The court has to take into consideration whether a law is considered constitutional or unconstitutional depending on whether a law is upheld by the constitution or not. The constitution has to support a law for it not to be void.
Supreme Court
Jerome A. Barron has written: 'Constitutional law, principles and policy' -- subject(s): Cases, Constitutional law 'Constitutional law in a nutshell' -- subject(s): Constitutional law 'Public rights and the private press' -- subject(s): Law and legislation, Mass media, Press law 'First Amendment law in a nutshell' -- subject(s): 1st, Amendments, Constitutional law, Freedom of religion, Freedom of speech, United States 'Constitutional law' -- subject(s): Constitutional law '1977 cumulative supplement: Constitutional law, principles and policy' 'Constitutional law, principles and policy' -- subject(s): Constitutional law 'Constitutional law in a nutshell' -- subject(s): Constitutional law
Statutory Administrative Constitutional Common Law Court Decision
William C. Banks has written: 'Constitutional law' -- subject(s): Cases, Constitutional law 'National Security Law Supplement (Case Supplement)' 'Constitutional law' -- subject(s): Cases, Constitutional law 'Constitutional law' -- subject(s): Cases, Constitutional law
If you mean the job then yes, they interpret our laws. By interpret, they decide whether the law is constitutional or not.
Owen Hood Phillips has written: 'The constitutional law of Great Britain and the Commonwealth' -- subject(s): Constitutional law 'A first book of English law' -- subject(s): Law, Outlines, syllabi 'O. Hood Phillips' Constitutional and administrative law' -- subject(s): Administrative law, Constitutional law 'The principles of English law and the constitution' -- subject(s): Constitutional law, Law 'Leading cases in constitutional law' -- subject(s): Cases, Constitutional law
The Supreme court has the power to say whether or not laws are constitutional.
David Schneiderman has written: 'Introduction to legal history and the Constitution' -- subject(s): Constitutional history, Law, Constitutional law, History 'Advanced constitutional law' -- subject(s): Civil rights, Constitutional law, Cases 'The Quebec Decision' 'Constitutional limits and economic interests' -- subject(s): Constitutional law, Economic aspects, Economic aspects of Constitutional law