Alec Saunders, at saunderslog.com is a little upset about receiving some unsolicited e-mail from the liberal party and Bill Graham (How to Stop the Liberal Party of Canada From Spamming You -- Alec Saunders .LOG):
And here, of course, is the irony. It was a Liberal Government which introduced the Personal Information Protection and Electronic Documents Act.
Whether this is a violation of PIPEDA depends upon whether that law applies at all. PIPEDA only regulates the collection, use and disclosure of personal information in the course of commercial activities (and information about employees of federal works, undetakings and businesses). This generally excludes non-profits, like political parties. Some activities are deemed to be commercial, like the sale or trade of personal information by a non-profit organization.
It's arguable that PIPEDA wouldn't apply in the case of political spam, unless one organization has traded the e-mail address with another. But if it bugs you enough, complain to the Privacy Commissioner and see if she agrees...