; or (B) is certified by the applicable agency to perform wildland fire incident related duties during the period such employee is assigned to a qualifying incident; (2) the term designated sleep and rest period means the hours during an incident deployment that a covered employee is deemed to be in sleep or rest status for pay computation purposes, regardless of actual hours spent in that status; (3) the term incident standby premium pay means pay to which a covered employee is entitled under subsection (c); (4) the term prescribed fire incident means a wildland fire originating from a planned ignition in accordance with applicable laws, policies, and regulations to meet specific objectives; (5) the term qualifying incident means a wildfire incident, a prescribed fire incident, or a severity incident, but excludes an initial response incident involving a single operational period of less than 36 hours (unless a longer period is approved by an authorized agency official due to exceptional circumstances) if the employee is in continual work status with no designated sleep and rest period established by the agency; (6) the term severity incident means an incident in which a covered employee is pre-positioned in an area where conditions indicate there is a high risk of wildfires