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or she has had:
(a) an adaptation period in a location (the adaptation location) in accordance with Table 7.1 in this subsection; or
(b) an adaptation period that is:
 (i) in a location other than home base; and
 (ii) in accordance with subparagraph (a); and
 (iii) reduced by 12 hours for each previous off-duty period that:
            (A) immediately preceded the adaptation period; and
            (B) was taken at an off-duty location which differs in local time by less than 2 hours from the adaptation location; and
            (C) included an off-duty location local night.
 7.5 In applying Table 7.1 to arrive at an adaptation period for paragraph 7.4:
(a) determine the time zone displacement between:
           (i) the location where the FCM was last acclimatised (the original location); and
           (ii) each location where an FDP or off-duty period was commenced since last acclimatised (later locations); and
(b) then choose the time zone displacement between the original location and whichever of the later locations gives the greatest time zone displacement; and
(c) then choose the time zone change in the Table that corresponds to the greatest time zone displacement; and
(d) then choose the direction (west or east) in which the FCM travelled and in which, therefore, the greatest time zone displacement occurred under subparagraph (b); and
(e) then choose the number of hours west or east (as the case requires) that corresponds to the time zone change chosen under subparagraph (c).

    Table 7.1 Adaptation period to become acclimatised

Time zone change (measured in time zones)  Adaptation period to become
                                           acclimatised to new location (hours)
Note   See definition of time zone         West                                  East