thought they had pics, but its all upper sills not the flappy bits,
https://vehicleinspection.nzta.govt.nz/virms/entry-certification/reference-materials/non-structural-cosmetic-damage/sillsrocker-panels-minor-damage
does mention this though
'A vehicle is not required to be referred to a specialist repair certifier if it has minor underbody impact damage as a result of ‘grounding’ the vehicle or some scraping of the sill seams."
https://vehicleinspection.nzta.govt.nz/virms/entry-certification/i-and-c/vehicle-structure/threshold-for-requiring-repair-certification