What does it mean to call out for 2 years of supplemental proof of social security and supporting information when evaluating a job title

To be evaluated should provide the last two years of social security payments. Evaluation of the title to provide two years of social security supplemental proof and supporting information is to provide the last two years of social security payments, social security documents are required to participate in the evaluation, evaluation of the title before, must be clear about the evaluation of the title to meet the conditions and requirements, generally fill in the work experience needs to be consistent with the social security certificates.