Businesses can usually file a tax return with the government which may require tax number from their purchases. Upon ordering with Shopper+, you'll have these numbers on your invoice as shown below.

Our tax numbers are:

GST for all provinces: GST:#805346863RT0001

PST/RST:

BC province: PST#1012-3902

MB province: RST# 100181-7

SK  province: PST# 2583821

QST:

QC province: QST# 1216646157TQ0001