You have until the 8th Jan 2019 to participate and up to 12 weeks after that for the points to post. My guess is late Jan or Feb before you see them
To be eligible to receive the Christmas bonus Velocity Points you must earn Velocity Points between 20 November 2018 and 08 January 2019 (Activity Date) with three (3) or more Participating Partners. Participating Partners include flybuys, BP Fuel, Velocity eStore, Midas, Autobarn, Wilson Parking, Sendle, Virgin Wines, Onsport and Skybus. Bonus Velocity Points are calculated on the total number of participating partners you earn Points with during the promotion period and will be calculated at the end of the promotion period. Please allow up to twelve (12) weeks post the 08 January 2019 for your bonus Velocity Points to be credited to your Velocity account. You can only earn a maximum of 10,000 bonus Points during this campaign. Individual terms and conditions apply for Points earn transactions with each participating partner. Purchases made from multiple retailers within the Velocity eStore will only be counted as one (1) Participating Partner