Regulation 3 Application to second-hand catalytic converters and pollution control devices
The prohibitions imposed by regulations 4(3), 5(3), 6(2), 7(2) and 8(1) do not apply in respect of—
(a)
a catalytic converter,
(b)
an assembly of catalytic converters,
(c)
a pollution control device, or
(d)
an assembly of pollution control devices,
which is second-hand.