In Chatterjee

In Chatterjee. v. Ontario, the Supreme Court of Canada

A) unanimously upheld the provincial law, since the dominant feature related to "property and civil rights", a provincial matter.
B) held that only the federal legislation was invalid.
C) held that only the provincial legislation was invalid.
D) concluded that the federal and provincial legislation were in conflict, with the result that paramountcy would apply.
E) held that both the federal and provincial legislation were invalid.