For HD delivery, the use of Standard Definition broadcast and non-broadcast video formats, and
certain non-broadcast HD domestic formats is not permissible. Use of up-converted Broadcast
Standard Definition and HDV material may be allowed if it falls into the categories described in
section 1.3.3 “Technical exemption categories”. All instances of up-converted and HDV usage must
cleared in advance with Programme Operations. The upper limit for non-HD content in a programme
is 25% even if it falla into the categories described in section 1.3.3.