CHICAGO (CBS) — The budget Mayor Emanuel will present to the City Council tomorrow will hold the line on some key taxes, but reportedly commuters will face another hike in the tax on parking, reports WBBM Political Editor Craig Dellimore.

When he’s been asked, Mayor Emanuel has suggested his new budget will be very similar to his other ones.

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“We’ve balanced the last three budgets in a row holding the line on property, sales and gas taxes and finding efficiencies and reforms in the system,” Emanuel said.

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But the mayor has raised or changed parking rates at lots all three years and he is reportedly going to do it again with a two percentage point increase. The tax would be 22 percent on weekdays and 20 percent on the weekends. City officials say they hope to bring in $10 million, most of it going to fill potholes.

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The administration also wants to raise the amusement tax on people who rent skyboxes at the major stadiums and the mayor wants to close a loophole that lets some companies avoid paying sales taxes by renting out-of-town offices to do the buying.