Ariz. Rev. Stat. § 47-5109
A. If a presentation is made that appears on its face strictly to comply with the terms and conditions of the letter of credit, but a required document is forged or materially fraudulent, or honor of the presentation would facilitate a material fraud by the beneficiary on the issuer or applicant:
B. If an applicant claims that a required document is forged or materially fraudulent or that honor of the presentation would facilitate a material fraud by the beneficiary on the issuer or applicant, a court of competent jurisdiction may temporarily or permanently enjoin the issuer from honoring a presentation or grant similar relief against the issuer or other persons only if the court finds that: