19.—(1) Applicants may submit a request to the infrastructure manager for an agreement granting rights to use railway infrastructure against a charge as provided for in Part 4.
(2) An applicant wishing to apply for infrastructure capacity must submit an application to the infrastructure manager in accordance with the timetable for the allocation process set out in Schedule 4.
(3) Applicants may submit a request to a single infrastructure manager for infrastructure capacity crossing more than one network and, where such an application is made, that infrastructure manager is permitted to act on behalf of that applicant in seeking from other infrastructure managers the infrastructure capacity requested.
(4) The infrastructure manager must ensure that, for infrastructure capacity crossing more than one network, applicants may apply direct to any joint body established by the infrastructure managers.
(5) Requests for infrastructure capacity to enable maintenance of the network to be carried out must be submitted in accordance with the timetable set out in Schedule 4.