Paragraph 6
Any operator who holds a light maintenance depot licence other than an operator who:
is providing light maintenance services—
all of which are provided by, for or on behalf of one or more Transport for London companies;
for rolling stock used on the network constructed in consequence of the making of any of the works authorised by section 5 of the Heathrow Express Railway Act 1991;
for rolling stock used on the network constructed in the tunnel system within the meaning of the Channel Tunnel Act 1987; or
wholly or predominantly for rolling stock used for passenger services which are not franchised services; or
is a person—
who holds a licence to operate trains, or who is a Group Company of a person who holds a licence to operate trains; and
who operates light maintenance depots which are used, when all of those depots are considered in aggregate, wholly or predominantly for freight purposes.
In determining the predominant use of a light maintenance depot for the purposes of this paragraph, temporary use, use for locomotive refuelling and use for emergency purposes shall be disregarded.