Regulation 4 Amendment of regulations 6 and 7 of the principal Regulations
In paragraph (2)(a) and (b) of regulation 6 and paragraph (1) of regulation 7 of the principal Regulations (date of onset and recrudescence) for the words “or bilateral diffuse pleural thickening” in each place where they occur there shall be substituted the words “, bilateral diffuse pleural thickening or chronic bronchitis or emphysema”.