The CSF occupies the subarachnoid space (between the arachnoid mater and the pia mater) and the ventricular system around and inside the brain and spinal cord. It constitutes the content of the ventricles, cisterns, and sulci of the brain, as well as the central canal of the spinal cord.
The MOST important fact is that ONLY ONE Article V application is required from each of 34 different states to require Congress to call an Article V Convention, and 49 of all 50 of the states have already filed at least ONE Article V application.
In order for the amendment to be passed by the states, three-quarters of the states, or 38 states, had to ratify it. On January 23, 1964, South Dakota became the 38th state to ratify the 24th Amendment. After ratification, President Lyndon B. Johnson signed the 24th Amendment into existence on February 4, 1964.