Substantial and continuing change is the legal standard required to modify many Arizona family court orders including child support, spousal maintenance, and parenting time. The change must be significant enough to matter and ongoing rather than temporary.

Both elements matter. A change that is substantial but temporary may not meet the standard. A change that is ongoing but minor may not meet the standard. The change must be both meaningful in degree and expected to continue.

What qualifies as a substantial and continuing change depends on the specific modification being sought.