(1) An authorised designer designing a terminal instrument flight procedure under the authorised designer's procedure design authorisation must ensure that the procedure is designed in accordance with:
(a) any applicable standards set out or referred to in ICAO Doc. 8168 (PANS - OPS); and
(b) any applicable standards set out in the Manual of Standards.
(2) If, apart from this subregulation, an authorised designer would be required to ensure that a terminal instrument flight procedure is designed in accordance with a standard set out or referred to in the ICAO Doc. 8168 (PANS - OPS) and a standard set out in the Manual of Standards, and it is not possible to comply with both standards, the designer is only required to ensure that the procedure is designed in accordance with the Manual of Standards.