Candidates must have served at least 5 years in the positions of inspectors, auditors and controllers, including the time spent in assistantship or internship, or they have deserved these titles provided they have this working period.
ຜູ້ສະ ຫມັກ ຕ້ອງມີ ຕໍາ ແຫນ່ງ ຢ່າງນ້ອຍ 5 ປີໃນ ຕໍາ ແຫນ່ງ ຂອງຜູ້ກວດກາ, ຜູ້ກວດສອບແລະຜູ້ຄວບຄຸມ, ລວມທັງເວລາທີ່ໃຊ້ໃນການຊ່ວຍເຫຼືອຫຼືຝຶກງານ, ຫຼືພວກເຂົາໄດ້ສົມຄວນໄດ້ຮັບ ຕໍາ ແຫນ່ງ ດັ່ງກ່າວຖ້າພວກເຂົາມີໄລຍະເວລາເຮັດວຽກນີ້.