If a pilot-in-command reports or if it clearly apparent to the ATC Unit that he is not familiar with an IAP, the initian approach level, the point (in minutes from the appropriate reporting point) at which procedure/base turn be started, the level at which the procedure/base turn shall be carried out and the final approach track shall be specified, except that only the last-mentioned need be specified if the aircraft is to be cleared for a straight-in-approach. The missed approach procedure shall be specified when deemed necessary.

If visual reference to terrain is established before completion of the approach procedure, the entire procedure must nevertheless be executed unless the aircarft request and is cleared for a visual approach.

A particular approach procedure may be specified will indicate that any authorized approach may be used at the disrection of the pilot.