CHICAGO (CBS) — The City Council on Wednesday passed an ordinance that will give restaurants with good public health records a break on inspections.

Mayor Rahm Emanuel’s office says the ordinance, intended to save taxpayer money, allows some restaurants to “self-certify,” provided that the Chicago Department of Public Health deems them “low-risk.”

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Meanwhile, the Health Department will change its inspection methods so they will focus on “high-risk” rather than targeting all restaurants equally, the Mayor’s office said.

Currently, each and every food establishment must undergo an inspection once every six months, whether it has a perfect health record or a kitchen full of mold and cockroaches.

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But under the new plan, restaurants will be deemed “low-risk” if they mostly serve pre-packaged foods, as well as restaurants that have passed an inspection within a year, or that gone for three years without being shut down by health authorities or being deemed the source of a foodborne illness outbreak.

Such restaurants will be allowed to self-certify without the repeated visits from inspectors, while high-risk restaurants will be the target of more frequent visits, according to the Mayor’s office.

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“This ordinance will allow the City to better ensure the health safety of Chicagoans by allowing a more targeted and streamlined approach to inspections,” Mayor Emanuel said in a news release.