Section 603.23 - What information must State UC agencies obtain from other agencies, and crossmatch with wage information, for purposes of an IEVS?(a)Crossmatch with information from requesting agencies. Each State UC agency must obtain such information from the Social Security Administration and any requesting agency as may be needed in verifying eligibility for, and the amount of, compensation payable under the State UC law.(b)Crossmatch of wage and benefit information. The State UC agency must crossmatch quarterly wage information with UC payment information to the extent that such information is likely, as determined by the Secretary of Labor, to be productive in identifying ineligibility for benefits and preventing or discovering incorrect payments.