13. In the case of—
(a)an officer to whom regulation 4(2)(a)(v) applies who is in receipt of an ill-health pension under regulation B3 of the 1988 Regulations; or
(b)an officer to whom regulation 4(2)(a)(v) applies who is in receipt of a deferred pension under regulation B5 of the 1988 Regulations,
and who, in either case, has on or after 6th April 2006 rejoined the service (otherwise than in the circumstances set out in regulation 4(2)(c)(i), (ii) or (iii)), regulation 48 shall apply in relation to his ill-health pension as if it were a standard ill-health pension under regulation 26 or in relation to his deferred pension as if it were a deferred pension which came into payment early on the ground of permanent disablement for engaging in any regular employment under regulation 29 (as the case may be); and if a portion of his pension was commuted for a lump sum under regulation B7 of the 1988 Regulations, regulation 25(2) shall have effect as if references to the previous lump-sum payment and to the most recent lump sum payment included references to the lump sum paid by way of commutation.