in the case of a semi-trailer or centre axle trailer, the technically permissible maximum mass at the coupling point where the value has changed during the current stage of approval.
i gcás leathleantóra nó leantóir acastóra láir, an uasmhais atá incheadaithe go teicniúil ag an bpointe cúplála i gcás inar athraíodh a luach le linn na céime ceadaithe reatha;