4 Pa. Code § 3.4
State Officers shall, in addition to a deputy authorized under law to exercise all of the powers and discharge the duties of the office, designate three emergency interim successors who shall be full-time, salaried employes of their respective departments.
The provisions of this § 3.4 adopted May 19, 1978, effective May 20, 1978, 8 Pa.B. 1390.