Which of the following statements is not accurate?

a. Since 1984, federal judges have been permitted to retire with full pay and benefits under what is called the rule of eighty, that is, when the sum of a judge’s age and number of years on the bench is eighty.
b. Approximately 40 percent of the nation’s more than twelve hundred working judges are on “senior status” and have thus opted not to retire.
c. Some credible evidence suggests that judges often time their resignations to occur when their party controls the presidency so they will be replaced by a jurist of similar political and judicial orientation.
d. The rule of eighty refers to the custom of Supreme Court justices retiring when they reach the age of eighty, regardless of their health.

d. The rule of eighty refers to the custom of Supreme Court justices retiring when they reach the age of eighty, regardless of their health.