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Social Security Handbook

SSA Handbook Title Page

SSA logo: link to Social Security Online home 124. How do you endorse your check if you cannot sign your name?

If you are unable to sign your name, signature by mark is acceptable. Two individuals who sign their own names and show their complete addresses must witness your signature by mark.

Last Revised: Apr. 18, 2006

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Last reviewed or modified Monday Jan 14, 2008

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