No person shall be obliged to insert the covenant of warranty, or restrained from inserting any clause in a conveyance which is deemed proper and advisable by the purchaser and seller, and forms not contravening laws of the land shall not be invalidated.
Covenants between purchaser and seller
A.R.S. § 33-434 — under Rules of Construction and Interpretation.
A.R.S. § 33-434