3. Subject to paragraphs 4 and 6, where more than one dangerous good is being carried in a tank or in bulk in a transport unit or a tank-vehicle with more than one tank or container—
(a)the orange-coloured plates referred to in paragraph 1 shall be displayed in accordance with the provisions of sub-sections 5.3.2.1.2 and 5.3.2.1.4 of ADR which are applicable to the goods, transport unit, tank-vehicle or container in question except that—
(i)only one on each side of the transport unit, tank, tank compartment or container in question, parallel to the longitudinal axis, shall bear the EAC; and
(ii)the remaining plates shall bear only the UN number and shall be 150mm in height; and
(b)an orange-coloured plate shall be affixed to the rear of the transport unit or tank-vehicle in question which shall be identical to the plates referred to in paragraph (a), except that it shall display the EAC only in the top half of the plate.