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On Thursday, of Marc R. Rosenblum, a , who last year worked with Congress in drafting immigration reform.

Rosenblum offered damning testimony of Hazleton's ordinance, citing its harsh, shortened timeline that gives employers a scant three days upon receipt of a complaint to comply with the town's new employment standards. He also pointed to the most severe difference between Hazleton and federal immigration statutes is that the U.S. government requires that businesses must not knowingly hire ineligible workers, where Hazleton prohibits the employment of ineligible workers, whether knowingly or unknowingly. Rosenblum argues that this leads to discrimination: "Employers will assume that someone who looks Latino is more likely to be undocumented."

He also criticized the , an electronic employment verification system used by Hazleton business-owners to verify workers' legal status.

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