A decision that a claimant lacks the necessary quarters of coverage can be reopened only under certain limited circumstances. The decision not to reopen a claim is not subject to judicial review absent a constitutional claim.

Reopening for revision of earnings record (20 CFR §404.990) supplants reopening for good cause (20 CFR §404.989).

Discusses time limits for correcting earnings record. SSA not required to accept as conclusive individual's self-employment income as stated in income tax returns. SSA may require additional verification of income.