What Does the Model Code Say About Omitting the "Big

What does the Model Code say about omitting the "big figure" in voice communication?

A) The "big figure" should not be included in outright quotations.
B) In order to avoid misunderstandings, the "big figure" should not be mentioned when repeating the details (facts/rates) of the deal.
C) For the sake of brevity and efficiency, "big figures" should never be quoted at all in spot FX trading.
D) The Model Code recommends that the "big figure" be included in all outright and spot FX quotations.