Paragraph 2
Where the information in the technical documentation for a particular model has been obtained—
(a)
from a model that has the same technical characteristics relevant for the technical information to be provided but is produced by a different manufacturer;
(b)
by calculation on the basis of design or extrapolation from another model of the same or a different manufacturer; or
(c)
by both paragraphs (a) and (b);
the technical documentation must include the details of any such calculation and the assessment undertaken by the manufacturer to verify the accuracy of the calculation, and, where appropriate, the declaration of identity between the models of different manufacturers.