48 Sources of programmes (other than advertisements) in Welsh.U.K.
(1)It shall be the duty of the BBC to supply to the Welsh Authority a proportion of the television programmes in Welsh which that Authority need for compliance with section 47(3), and to do so in a way which meets the reasonable requirements of that Authority.
(2)The aggregate duration of the television programmes in Welsh supplied by the BBC under subsection (1) for inclusion in the Welsh Authority’s programme schedules for any period shall be not less than the aggregate duration of the television programmes in Welsh which, if this Part were not in force, would have been broadcast by the BBC in that period for reception in Wales.
(3)The contract between the IBA and the TV programme contractor whose duty it is to provide programmes for broadcasting on ITV for reception in Wales shall contain all such provisions as the IBA think necessary or expedient to ensure that, while the IBA are providing both ITV and the Fourth Channel in Wales, the programme contractor is under a duty to supply to the Welsh Authority (on commercial terms) a reasonable proportion of the television programmes in Welsh which the Welsh Authority need for compliance with section 47(3), and to do so in a way which meets the reasonable requirements of the Welsh Authority.
(4)Nothing in this section shall be taken to preclude the Welsh Authority from obtaining television programmes in Welsh from sources other than the BBC and the TV programme contractor referred to in subsection (3).