Board Thread:Wiki-Related Discussion/@comment-1894786-20141108191934/@comment-5925413-20141202064711

BookWorm120 wrote: ATTENTION. KITSIS CONFIRMS THAT FROZEN IS NOT CANON FOR OUAT.

variety.com/2014/tv/news/once-upon-a-time-show runners-talk-frozen-the-charming-familys-challenges-and-reginas-evolution-1201309946/

It's the contrary: "Nothing we’re doing is canon into the “Frozen” franchise."