The Crown is not restricted on a summary conviction appeal to issues of law alone, but may also appeal on issues of mixed fact and law.

R. v. Helm, 2011 SKQB 32 (CanLII), per Popescul J. at para 16 - " Accordingly, it is clear that the Crown is not restricted on summary conviction appeals to raising only questions of law but may also raise matters of fact and mixed fact and law."