I suppose it depends how the primaries are run . During this primary season there was a lot of apologism for party leadership trying to sway the results . Things like , Parties are private organizations and can do what they want . If that remains the case then certainly not . However , if the two parties are held to very strict standards of fairness than I think that the primary system largely imitates the utility that third parties currently have . Bernie got much closer to the White House than Nader or Stein ever got and he did so by utilizing Democratic infrastructure . <| sep |> The letter that you send will have to be registered keep the receipt . On the Canada post site you , with your tracking code , you will see exactly when it was received and by who . Scummy landlords have a way around this , they simply don ' t pick up their registered mail and it gets returned to you . In these cases the best option would be to directly hand the letter over to the landlord in person with someone who can witness it .