The Transport Act 1968 (c. 73)    Section 10  ,The rail functions contained in section 10 with the exception of section 10(1)(vi) and 10(1)(via) and only in so far as the function is exercised solely in relation to rail and not to any other services.,
Section 20,,
 The Railways Act 1993 (c. 43)    Sections 34 and 35  ,,