Any document which modifies a previously recorded document must state the recording date, and docket and page or sequence number of the document being modified. An Arizona residential purchase agreement is a legal document outlining the terms and conditions for a buyer's purchase of residential property from a seller.Forms. Introduction. All forms are in PDF format and require a PDF viewer (such as Adobe Acrobat Reader) for viewing. All forms are fillable. The following is a checklist of helpful hints for consumers to help avoid some of the pitfalls of purchasing a new or used home, or raw, undeveloped land. Fill in the blank Contract for Deed form formatted to comply with all Arizona recording and content requirements.