It is the intent of the legislature that it shall each year adopt all amendments to the Internal Revenue Code for the calendar year preceding the year in which the legislature meets; provided that the legislature may choose to adopt none of the amendments to the Internal Revenue Code or may provide that certain amendments are limited in their operation.
HRS § 235-2.5
The 2008 amendment applies to taxable years beginning after December 31, 2007; provided that the retroactive and prospective effective dates contained in the congressional acts relating to the Internal Revenue Code and enacted during 2007 shall be operative for chapter 235. L 2008, c 93, §7.