If a client has Canadian property and assets in a foreign jurisdiction, it is recommended that they consult with a lawyer in the jurisdiction where they hold those foreign assets.
When a Trust is established, through a Will or otherwise, it is usually recommended for the Will maker or Settlor to provide the trustees of the Trust with a Letter
Executors have many duties to the beneficiaries of an estate - they must act in good faith, to the standard of a reasonably competent person, keep an even hand between