When a person enters into possession of real property under a lease, he may not, while in possession, deny the title of his landlord in an action brought upon the lease by the landlord or a person claiming under him.
A.R.S. § 33-324
Denial of landlord's title by lessee in possession prohibited
Official source: Arizona State Legislature. Reproduced from public-domain Arizona statutes; confirm against the official source for the current text. Not legal advice.