Which of the following statements is false?
a. authority to tap other departments or agencies for staff during an incident may be written into law and tied to an emergency declaration.
b. hiring policies should be written ahead of time to allow for emergency hiring authority for part- or full-time temporary positions.
c. mutual aid and assistance arrangements and memorandums of understanding (mous) cannot be used for supplementing incident staff.
d. one way to supplement regular pio staff during an incident is to use disaster employees or "on-call" staff with public information expertise.