; (3) publish the procedures developed under paragraph (2) in the Federal Register; and (4) after a notice and comment period on such procedures, use such comments to finalize the procedures. (b) Specifications The study conducted under subsection (a)(1) shall— (1) determine how closely such personal exemptions match the family size that borrowers report on their income-driven repayment plan request form; (2) compare the borrower’s actual monthly payment amount with the monthly payment amount borrowers would have using family size information derived from tax returns