RCMP arrested a 39-year-old man from Surrey, B.C. on Christmas Day at the Regway border crossing.
The arrest happened after Canada Border Services Agency officers found what they suspected to be 28 grams of black tar heroin in his vehicle.
The man, who was not identified, is facing charges of unlawfully importing heroin into Canada, and possession of heroin.
He is scheduled to appear in Weyburn Provincial Court on February 6th.