In article 8 of the principal Order (general conditions of awards in respect of disablement), after paragraph (2) there shall be inserted the following paragraphs—
(2A) An award under this Part of this Order shall not be made in respect of—
(a) noise-induced sensorineural hearing loss; or
(b) a related condition or symptom if it is accompanied by noise-induced sensorineural hearing loss,
unless the degree of disablement from that loss alone is assessed as being at least 20 per cent.
(2B) For the purposes of paragraph (2A) and article 9, “noise-induced sensorineural hearing loss” means damage to the cochlear hair cells of the inner ear which is caused by the exposure of the cochlea to noise, and a condition or symptom is to be treated as related to such hearing loss if it is another condition, or a symptom, which is the consequence of damage to the cochlear hair cells of the inner ear which is caused by the exposure of the cochlea to noise.