1040-US ELF: Error Code F1040-512

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Error Reject Code F1040-512: Each Dependent's SSN on this return cannot be used on another return as a Primary or Secondary SSN with Line 6a checkbox 'ExemptPrimaryInd' or Line 6b checkbox 'ExemptSpouseInd' checked on that return.

Here is a situation where the dependent was claimed as a dependent on another tax return. Review the following items to resolve the error:

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