TN 4 (05-12)
   RS 00630.300 Initial Entitlement to Widow(er)’s Insurance Benefit (WIB) and Retirement Insurance
      Benefit (RIB) Prior to 01/1973
   
   
   
   For WIB and RIB entitlement established before 01/1973, we reduced the RIB by the
      method described in RS 00615.160, except we derived the carry-over reduction in RIB (method IIA) money amount of reduction
      (MAR) using:
   
   
   
      - 
         
            • 
               82 1/2 percent of the primary insurance amount (PIA); 
 
 
- 
         
            • 
               5/9 of 1 percent reduction for months of WIB entitlement age 60-62; and 
 
 
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            • 
               43/198 of 1 percent reduction for months of WIB entitlement age 50-60. 
 
 
If we computed the RIB after 12/1972, we refigured the RIB reduction due to prior
      reduced WIB entitlement under the 1972 amendment provision.