Has your business been awarded a contract with Public Services and Procurement Canada? If yes, this resource article will walk you through how to add payment information to your SAP Ariba account.
Even if you received your contract by bidding through Buyandsell, remember that you will still need to enter your payment information in SAP Ariba.
Don't already have an account? Refer to the article on registering and logging in to SAP Ariba.