… Its catching on. Ohio did this recently with enactment of 2108.70 and it looks like Iowa is the newest state to allow something similar.
Governor Chet Culver signed SF 473 into law on April 11, 2008. Effective July 1, 2008, this new chapter to the Iowa Code (chapter 144C) authorizes an individual to designate an individual to make decisions over the disposition of their bodily remains following their death. The designation does not indicate how a person wants their body remains to be handled, only who has the authority to make those decisions that are “reasonable under the circumstances”.
Read the rest of Matt’s post (which includes the historical reasons for drafting the law) here.