The impound is used to identify and isolate vehicles that have qualified for a record attempt.

It is the responsibility of the Impound Marshall to manage the Impound. They must be available to process entrants as they present at Impound.

For FIA and FIM record attempts (especially streamliners) impound may be located at either end of the course to remove or minimise transport time back to the pits where Impound would usually be located.

1.

First presentation (qualification)

1. When an entrant presents at Impound after run, insert the arrival time and vehicle number in the Impound Log.
2. Record the timing slip details into the Impound log..
3. Check speed against existing record, that the entrant does actually qualify to set a new record.
4. Instruct the entrant where to park in Impound.
5. Observe entrants whilst servicing their vehicle.
6. Escort vehicles to the start line or as required.

Second presentation (record certification)

1. When the entrant presents at Impound after run, insert the arrival time in the Impound Log.
2. Record the timing slip details into the Impound log.
3. Check if the average of speeds attained, has exceeded existing record.
4. Technical Inspector to measure and certify engine capacity. (Check for seals fitted)
5. Confirm class with Technical Inspector.
6. If all criteria above are successfully met, certify record into log.