I know you must be in Arizona for 90 days to get divorced. Is that true of legal separation?
No. For Legal SeparationA formal legal process that terminates the marital community, divides all the community property and liabilities, and determines custody if children are involved. Legal separation is almost identical to a divorce in every way except one: You are still married at the end of it.…Read more about Legal Separation, one of the spouses just needs to be domiciled in Arizona. Domiciled means you live here, and you intend to remain living here.
But to divide up property, Arizona will need to have personal JurisdictionThe authority of a Court to hear and decide a certain issue. Each court’s ability to hear cases are defined either by a Constitutional provision, or, more commonly, by an Act of Congress (for Federal courts) or the state legislature (for state courts).Read more about Jurisdiction over the other spouse (Arizona has it if the other spouse lives here or has a significant connection to the state; if you are unsure about if Arizona has personal jurisdiction, consult with an attorney). If children are involved, the home state must make those decisions. The home state is either the state that issued the current custody order or the state where the child most recently lived for six consecutive months.