See Full Constitution
Article IV
Section 18. Terms of office of Auditor General and State Treasurer; number of terms; eligibility of State Treasurer to become Auditor General
The terms of the Auditor General and of the State Treasurer shall each be four years from the third Tuesday of January next ensuing his election. They shall be chosen by the qualified electors of the Commonwealth at general elections but shall not be eligible to serve continuously for more than two successive terms. The State Treasurer shall not be eligible to the office of Auditor General until four years after he has been State Treasurer.