Ariz. Rev. Stat. § 42-5009
A. A person who conducts any business classified under article 2 of this chapter may establish entitlement to the allowable deductions from the tax base of that business by both:
H. The department shall prescribe forms for certificates used to establish the satisfaction of the criteria necessary to qualify the sale of a motor vehicle for the deductions described in section 42-5061, subsection A, paragraphs 14, 28 and 44 and subsection V. Except as provided in subsection J of this section, to establish entitlement to these deductions, a motor vehicle dealer shall retain:
L. The department shall prescribe a form for a certificate to be used by a person that is not subject to tax under section 42-5075 when the person is engaged by a contractor that is subject to tax under section 42-5075 for a project that is taxable under section 42-5075. The certificate permits the person purchasing tangible personal property to be incorporated or fabricated by the person into any real property, structure, project, development or improvement to provide documentation to a retailer that the sale of tangible personal property qualifies for the deduction under section 42-5061, subsection A, paragraph 27, subdivision (b). A prime contractor shall obtain the certificate from the department and shall provide a copy to any such person working on the project. The prime contractor shall obtain a new certificate for each project to which this subsection applies. For the purposes of this subsection, the following apply:
N. The requirements of subsections A and B of this section do not apply to owners, proprietors or tenants of agricultural lands or farms who sell livestock or poultry feed that is grown or raised on their lands to any of the following:
Q. The department shall prescribe the form of a certificate to be used by a person purchasing an aircraft to document eligibility for a deduction pursuant to section 42-5061, subsection B, paragraph 8, subdivision (a), item (v) or an exemption pursuant to section 42-5159, subsection B, paragraph 8, subdivision (a), item (v), relating to aircraft. The person must provide this certificate and documentation confirming that the operational control of the aircraft has been transferred or will be transferred immediately after the purchase to one or more persons described in section 42-5061, subsection B, paragraph 8, subdivision (a), item (i), (ii), (iii) or (iv) or section 42-5159, subsection B, paragraph 8, subdivision (a), item (i), (ii), (iii) or (iv). Operational control of the aircraft must be transferred for at least fifty percent of the aircraft's flight hours. If such operational control is not transferred for at least fifty percent of the aircraft's flight hours during the recapture period, the owner of the aircraft is liable for an amount equal to any tax that the seller or purchaser would have been required to pay under this chapter at the time of the sale, plus penalty and interest. The recapture period begins on the date that operational control of the aircraft is first transferred and ends on the later of the date the aircraft is fully depreciated for federal income tax purposes or five years after operational control was first transferred. For the purposes of this subsection, operational control of the aircraft must be within the meaning of federal aviation administration operations specification A008, or its successor, except that:
S. A qualifying community health center, qualifying health care organization or qualifying hospital or any other entity that is recognized as nonprofit under section 501(c) of the United States internal revenue code and that is required to obtain an exemption letter from the department shall: