This document is the instructions for Schedule R, which is used to calculate the Credit for the Elderly or Disabled. It provides instructions on determining eligibility for the credit based on the taxpayer's filing status and age. It outlines a three part process: 1) Check the appropriate box for filing status and age; 2) If under age 65, provide a statement of permanent and total disability; 3) Calculate the credit amount by completing lines 10 through 24.