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OTTAWA – Canada’s transport minister says travellers aboard domestic flights will be allowed to carry a small quantity of cannabis with them after Oct 17.

But Marc Garneau warns against packing it into luggage that’s destined outside the country. And the country’s airport screening authority says it has yet to finalize procedures for dealing with passengers taking pot through security lines.

READ MORE: Some Air Canada staff to be banned from using cannabis while off duty

Garneau says as long as they are on domestic flights, Canadians can bring up to 30 grams of marijuana with them once possession for personal use becomes legal.

The minister warns, however, that international passengers must abide by the laws of their country of destination.

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Transport Canada says taking cannabis, or products that contain pot, across the U.S. border remains illegal.

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While several American states have legalized marijuana, possession of the drug is still illegal under U.S. federal law.