Ne glede na zgoraj navedeno pa so lahko tla v tovornem prostoru pritrjena s samoreznimi vijakiali samoprebojnimi zakovicami ali zakovicami, vstavljenimi z eksplozijskim polnjenjem, kadar so nameščene od znotraj in potekajo pod pravim kotom skozi tla in kovinskeprečke pod njimi, pod pogojem - razen pri samoreznih vijakih - da so nekatera njihova stebla v isti višini, kakor je ravnina zunanjega dela prečke, ali da so nanjo privarjeni.
Notwithstanding the above, load compartment floors may be secured by means of self-tapping screws, or self-drilling rivets or rivets inserted by means of an explosive charge, when placed from inside and passing at right-angles through the floor and the metallic cross-pieces underneath, on condition, except in the case of self-tapping screws, that some of their ends be flush with the level of the outside part of the cross-piece or be welded on to it.