MCL 750.508 was modified in 2006 (via PA 39, from bill HR4544) to remove the ARO requirement. Now, it only applies to convicted felons or the use of a scanner in the commission of a crime. The Michigan House committee summary findings can be found here: http://www.legislature.mi.gov/documents/2005-2006/billanalysis/Senate/pdf/2005-SFA-4544-S.pdf