Text in force at 23-63: from 23-62, effective 31 Jan 2012.
Each item of installed equipment must--
(a) Be of a kind and design appropriate to its intended function;
(b) Be labeled as to its identification, function, or operating limitations, or any applicable combination of these factors; and
(c) Be installed according to limitations specified for that equipment. -
76 FR 75760 · Source