Choice "A" is correct. The principle of external communications asserts that matters affecting the achievement of financial reporting should be communicated with outside parties.
Choice "c" is incorrect. The principle of financial reporting information principles conveys the idea that information should be identified, captured, used at all levels of the company, and distributed in a manner that supports achievement of financial reporting objectives.
Choice "b" is incorrect. Internal control information is needed to facilitate the function of control components and is identified, captured, used, and distributed in a timely manner that enables personnel to fulfill their responsibilities.Choice "d" is incorrect. The principle of internal communications asserts that communications should enable and support understanding and execution of internal control objectives, processes and individual responsibilities.