What is a testing window?
  The computer-based examination is available during specific periods called testing windows. The first two months of each calendar quarter is an open testing window. The third month of each calendar quarter is closed for testing.
  How many testing windows are there in a year?
  There is one testing window in each calendar quarter for a total of four testing windows each year.
  How often can I take the examination?
  You may take each section up to one time per testing window. Candidates will not be permitted to take the same section more than once during any given testing window.
  Am I required to take the sections in any particular order?
  No. You may take each section in any order.
  Am I required to pass one section prior to applying to take another?
  No. You may take any section in any order.
  Do I have to sit for all 4 sections in the same window?
  No. There is no minimum number of sections that must be completed in a testing window. You may take any section in any order.