5. The principal Regulations are amended as follows —
(a)in regulations 6(2)(a) and (b) and 7(1) for “chronic bronchitis or emphysema” substitute “chronic obstructive pulmonary disease”;
(b)in the title to regulation 22 for “emphysema and chronic bronchitis” substitute “chronic obstructive pulmonary disease”;
(c)in regulation 22(1) for “any emphysema and of any chronic bronchitis” substitute “any chronic obstructive pulmonary disease”.