.4.1 CTU containing incompatible dangerous goods not permitted can be stowed in a sensitive vertical line on a hatchway cover when all reference CTUs are stowed in vertical lines under deck other than the sensitive vertical lines;
.4.2 CTU containing incompatible dangerous goods not permitted can be stowed in the sensitive vertical lines under deck when all reference CTUs are stowed in the other bays on hatchway covers;
.4.3 CTU containing incompatible dangerous goods not permitted can be stowed in a sensitive vertical line under deck in the same bay of a reference CTU on a hatchway cover when the reference CTU containing dangerous liquids is not stowed on the hatchway cover adjacent to the sensitive vertical line; and
.4.4 CTU containing incompatible dangerous goods not permitted can be stowed in a sensitive vertical line under deck in the same bay of a reference CTU on a hatchway cover when the reference CTU containing dangerous goods other than liquids is not stowed in the sensitive vertical lines on deck just above the CTU containing incompatible dangerous goods."
