The computation method described in GN 01701.200 is also used for all recomputations performed March 1, 1988, or later. This is true
                  regardless of the effective date of the recomputation, i.e., even if the claim was
                  originally adjudicated before March 1, 1988, using the prior computation method mentioned
                  in 1. above.
               
               A recomputation will not be done solely to change the computation method from the
                  prior method to the new method. There must be additional U.S.-covered earnings before
                  a recomputation may be considered.