Exceeding this amount will result in paying a federal customs assessment as well as any applicable provincial or territorial taxes on the total value (in Canadian dollars) of the full volume of booze, not just the amount in excess of the allowable exemption. The laws forbid bringing in alcohol as a gift.
The CBSA has the authority to seize all currency and monetary instruments if the entire value is not reported. They may be returned after a penalty is paid. Penalties range from Can$250 to Can$5,000.