6(1)Where a person has become liable under paragraph 1 or 2 to pay a penalty fare in respect of any bus or train journey (in this paragraph referred to as “the relevant journey”), no proceedings shall be brought against him for any of the offences specified in sub‐paragraph (2) before the end of the period mentioned in paragraph 4(1); and no such proceedings shall be brought after the end of that period if either—N.I.
(a)he has paid the penalty fare to the person providing the service on which the requirement to pay that fare was made, before the end of that period; or
(b)an action has been brought against him for the recovery of that fare.
(2)The offences mentioned in sub‐paragraph (1) are—
(a)any offence under section 5(3)( a ) or ( b ) of the Regulation of Railways Act 1889 (travelling without paying the correct fare with intent to avoid payment) arising from the relevant journey;
(b)any offence under byelaws made under section 57 (byelaws for railways, etc.) involving a failure to obtain or produce a fare ticket or authority to travel for the relevant journey; and
(c)any offence under the Road Traffic (Northern Ireland) Order 1981 in respect of a contravention of regulations made under Article 66 of that Order by failing to pay the fare properly payable for the relevant journey or any part of it.
(3)If proceedings are brought against any such person for any such offence he shall cease to be liable to pay the penalty fare and, if he has paid it, the person to whom it was paid shall be liable to repay to him an amount equal to the amount of that fare.]