Attempt to locate the individual using the wrong SSN. Request a copy of the latest
W-2, if necessary, per 4. above for individual's latest address.
Use the following sources to help locate the individual(s) involved in the scramble:
Contact the employer to determine the individual's identity or whereabouts and which
person the employer employed. (See RM 03870.120 for form SSA-4156 (Employee Identification Statement) as a sample employer request
for information.) If available, include a copy of the employee's license, a current
Check local telephone directories or post office for change of address.
Discontinue development if after 90 days all attempts to locate the individual have
failed and there are no additional leads.