So...22 months is a bit young for time-outs to work effectively. I never did time-outs until age 3, when (although the tantrums are epic) they can grasp the idea of consequences and you have a shot that they’ll understand what’s coming and modify their behavior.

A 22 month old (or young 2 yr old) just isn’t ready -…

Uh...presumably the couple would sit down together to decide on what’s fair. Once. And write it down, so it could be banished from the extra work of “management” once and for all.