The Secretary of State (as respects England) or the National Assembly for Wales (as respects Wales) may by order amend either or both of sections 145 and 146 for or in connection with securing that section 145(1)—
(a)applies to any person for the time being eligible to receive travel concessions under a scheme under section 93 of the [1985 c. 67.] Transport Act 1985 or to any such person of a specified description (as well as to any elderly person and any disabled person),
(b)applies to travel on any public passenger transport service or to travel on any such service of a specified description (as well as to travel on an eligible service),
(c)applies to a journey between a place in a travel concession authority’s area and a place outside but in the vicinity of that area or to a journey between places outside but in the vicinity of that area (as well as to a journey between places in that area),
(d)provides for the reduction of fares to less than one-half of those applicable to adults who are not entitled to any reduction or for waiver of fares, or
(e)applies, or does not apply, to a journey beginning at a specified time.