Regulation 10 Definition of “relevant disease”
In this Part of these regulations, unless the context otherwise requires, the expression “relevant disease” means, in relation to any claim for benefit in respect of a prescribed disease, the prescribed disease in respect of which benefit is claimed, but does not include any previous or subsequent attack of that disease, suffered by the same person, which, under the provisions of Part III of these regulations, is or has been treated—
(a)
as having developed on a date other than the date which, under the said provisions, is treated as the date of onset for the purposes of the claim under consideration;
(b)
as a recrudescence of a disease for which compensation has been paid or awarded under the Workmen's Compensation Acts.