Eneste jeg har funnet angående flytting av kampdato er følgende fra http://www.uefa.com/newsfiles/19070.pdf

The UEFA administration decides on match dates and fixture reversals on a
case-by-case basis, according to the principles set by the Club Competitions
Committee. For the first round of the competition, associations with three or
more clubs in the UEFA Cup may arrange the home and away matches of
their clubs on Tuesdays, provided such matches kick off before 18.00 hours
(CET). The approval of the visiting club and its national association is
necessary in such cases. The UEFA administration reserves the right to
impose a match date in the event of clashes between domestic competition
matches and matches in this competition.

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The colour of her eyes
Were the colour of insanity