Notwithstanding that the vessel, if equipped with IGS, shall present for loading with cargo tanks fully inered, any time used for de-inerting (provided that such de – inerting takes place after lay time or demurrage time has commenced or would, but for this clause, have commenced) and/or re-inerting those tanks at Charterers’ specific request were gas freed for inspection, shall count as laytime or if on demurrage as demurrage, provided the tank or tanks inspected are found to be suitable. In such case Charterers will reimburse Owners for bunkers consumed for de-inerting/re-innerting, at replacement cost.