Headnotes and historical references.

1. Proper headnotes may be placed at the beginning of a section of a bill or at the beginning of a Code section or Code section subunit. However, except as provided for the uniform commercial code pursuant to section 554.1107 , headnotes shall not be considered as part of the law as enacted. 2. At the end of a Code section there may be placed a reference to the section number of the Code, or any Iowa Act from which the matter of the Code section was taken. Historical references shall not be considered as a part of the law as enacted. [C24, 27, 31, 35, 39, § 49; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §3.3 ] 2004 Acts, ch 1086, §3 ; 2005 Acts, ch 19, §7 ; 2007 Acts, ch 41, §40 ; 2008 Acts, ch 1031, §5 ; 2014 Acts, ch 1141, §52 Referred to in §2B.13