10.—(1) For the purpose of section 143(4) of SSCBA and section 139(4) of SSCB(NI)A (number of days that may be disregarded), the prescribed number of days is 84 consecutive days, calculated in accordance with paragraph (2).
(2) Two or more distinct relevant periods separated by one or more intervals each not exceeding 28 days are treated as a continuous period equal in duration to the total of such distinct periods and ending on the last day of the latter or last of such periods.
(3) In paragraph (2) “relevant periods” means periods to which—
(a)section 143(3)(b) of SSCBA or section 139(3)(b) of SSCB(NI)A (absence of a child or qualifying young person undergoing medical or other treatment) applies;
(b)section 143(3)(c) of SSCBA or section 139(3)(c) of SSCB(NI)A (absence of a child or qualifying young person in residential accommodation) applies.