The Social Security (Adjudication) Regulations 1995

Period to be taken into account by assessments revised on ground of unforeseen aggravation

62.  On review of any assessment under section 47(4) of the Administration Act (review on ground of unforeseen aggravation) the period to be taken into account by any revised assessment may include any period not exceeding 3 months before—

(a) if the review was in consequence of an application by a claimant, or a person acting on his behalf, the date of that application; or

(b) if the review was in consequence of a decision on a recrudescence question, within the meaning of regulation 43(3)(b) given under regulation 7(4) of the Prescribed Diseases Regulations (recrudescence of a prescribed disease), the date of the claim on which that decision was given, if the medical board are satisfied that throughout that period there has been unforeseen aggravation of the results of the relevant injury since the making of the assessment under review.