Mich. Admin. Code R. 28.5058
A sample or profile shall not be disposed of if the department determines the individual has otherwise become obligated to submit a sample or if the disposal of the sample would destroy sample or data relating to another individual who would otherwise be retained. If the sample is eligible for disposal, the sample shall be disposed of in the following instances:
History: 1995 AACS; 2011 AACS.