TN 3 (01-89)
GN 04001.010 When and Why SSA Reopens — Policy Principle
SSA can reopen incorrect determinations:
Within one year of the date of the notice of initial determination for any reason; or
Within 4 years of the date of the notice of initial determination for good cause(GN 04010.001); or
At any time for reasons explained in GN 04020.001ff.
NOTE: See RS 00601.010 for the tolerance rule which should be applied before reopening and revising computations
of the benefit amount.