Napanee OPP have charged a Quebec man under the Ontario Tobacco Tax Act.
Police stopped the man Monday at about 12:45 p.m. as he was travelling westbound on Highway 401.
They say they found 296 cases of illegal cigarettes or about 2.96 million cigarettes in the vehicle.
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Police seized the vehicle as well as several thousand dollars of cash.
The 64-year-old was charged with two counts of possession of contraband for the purpose of sale, transportation of contraband and failing to comply with a probation order.