Start within 20 m of the location tag.

The area layout at a start point must not change over time.

Drive counterclockwise, and remember to close the loop.

Slow down towards the end of the loop.

Keep all four drop-off sensors on the floor at all times.

Do not record during busy hours.

Keep all four drop-off sensors on the floor at all times

Do not perform U-turns in corridors or aisles.

Do not record more than 90 minutes.

Do not record during busy hours.