CFR /  Title 14  /  Part 29  /  Sec. 29.1559 Limitations placard.

There must be a placard in clear view of the pilot that specifies the kinds of operations (VFR, IFR, day, night, or icing) for which the rotorcraft is approved. [Amdt. 29-24, 49 FR 44440, Nov. 6, 1984]