3S—Where a person is eligible for assistance in respect of a defective dwelling and there are two or more applicable designations, this Part has effect in relation to the dwelling as if—
(a)references to the designation were to any applicable designation;
(b)references to the provision by virtue of which it is a defective dwelling were to any provision under which an applicable designation was made;
(c)references to the qualifying defect were to any qualifying defect described in an applicable designation;
(d)references to the period within which persons may seek assistance under this Part were to any period specified for that purpose in any applicable designation; and
(e)the reference in section 271(1)(c) (amount of reinstatement grant) to the maximum amount permitted to be taken into account for the purposes of that section were to the aggregate of the maximum amounts for each applicable designation.