Ariz. Rev. Stat. § 13-3407
A. A person shall not knowingly:
B. A person who violates:
E. If the person is convicted of a violation of subsection A, paragraph 2, 3, 4 or 7 of this section and the drug involved is methamphetamine, the person shall be sentenced as follows:
Minimum Presumptive Maximum
5 calendar years 10 calendar years 15 calendar years
A person who has previously been convicted of a violation of subsection A, paragraph 2, 3, 4 or 7 of this section involving methamphetamine or section 13-3407.01 shall be sentenced as follows:
Minimum Presumptive Maximum
10 calendar years 15 calendar years 20 calendar years