2.—(1) In Part I of Schedule 1 to the principal Regulations (list of prescribed diseases and the occupations for which they are prescribed), the entry relating to prescribed disease A11 shall be amended as follows.
(2) For the entry in the first column substitute—
“A11.
(a)Intense blanching of the skin, with a sharp demarcation line between affected and non-affected skin, where the blanching is cold-induced, episodic, occurs throughout the year and affects the skin of the distal with the middle and proximal phalanges, or distal with the middle phalanx (or in the case of a thumb the distal with the proximal phalanx), of—
(i)in the case of a person with 5 fingers (including thumb) on one hand, any 3 of those fingers, or
(ii)in the case of a person with only 4 such fingers, any 2 of those fingers, or
(iii)in the case of a person with less than 4 such fingers, any one of them or, as the case may be, the one remaining finger,
(a)where none of the person’s fingers was subject to any degree of cold-induced, episodic blanching of the skin prior to the person’s employment in an occupation described in the second column in relation to this paragraph, or
(b)significant, demonstrable reduction in both sensory perception and manipulative dexterity with continuous numbness or continuous tingling all present at the same time in the distal phalanx of any finger (including thumb) where none of the person’s fingers was subject to any degree of reduction in sensory perception, manipulative dexterity, numbness or tingling prior to the person’s employment in an occupation described in the second column in relation to this paragraph,
where the symptoms in paragraph (a) or paragraph (b) were caused by vibration.”.
(3) In the entry in the second column, in sub-paragraph (a), for “in forestry” substitute “on wood”.