The 1625 min fare and 2Tog restns both start at 0430, so same day using my example of a post midnight single liv st to Colchester for the 0018 departure, those RCs give a discount, network does not
On the which rule wins point, an otherwise valid tic eg anytime is made invalid if discounted fare is less than £12 if 1625 RC used and journey starts 0430/10 or if 2Tog used and journey starts 0430/0930. So for example Burnley to Bradford anytime return with 1625 or 2Tog RC disc £11.50, is not valid anytime, it is subject to the RC time restrictions.
By contrast the midnight to 10 rule with a network card does not render a tic usually valid until 0429 invalid if commence journey after midnight and complete b4 0429. In this case the railcard time restriction does not overrule the ticket time validity. So for example an anytime or off peak return Colchester to LivSt with network card disc remains valid until 0429 despite the RC time restn.
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In my examples in each case I am thinking of the restrictions that apply on the return leg