The standard of review of an award affecting spousal support, including an interim order, is set out in Hickey v. Hickey 1999 CanLII 691 (SCC),  2 S.C.R. 518 at para 11: ..[A]ppeal courts should not overturn support orders unless the reasons disclose an error in principle, a significant misapprehension of the evidence, or unless the award is clearly wrong.
Get a full legal research memo!
The above passage should not be considered legal advice. Reliable answers to complex legal questions require comprehensive research memos. To learn more visit www.alexsei.com.