Lara Friedlander, Andrew S. McGuffin, "Canada To Enact New Tax Avoidance Reporting Rules", Tax Management International Journal, February 8, 2013,Vol. 42, No. 2, 90 at 92

Note that in some cases a counterparty could be considered an "advisor" or "promoter". This could be the case if a counterparty participates in structuring a transaction, or even if the counterparty merely provides assistance in implementing a transaction. If so, confidentiality provisions in agreements between counterparties could satisfy the confidentiality hallmark and contractual representations and indemnities as to taxes could satisfy the contractual protection hallmark.

Reporting each transaction in a series may require reporting over multiple taxation years, and it may be quite difficult to determine all transactions that are part of a series of transactions that include an avoidance transaction.