Rule 31.
(a) Media used as intermediate records or steps in data processing for assembling data to be posted to the records of the company or used in a report or study. | Destroy at option. |
(b) Program documentation and revisions to this documentation. | Retain as long as it represents an active viable program or for periods prescribed for related output data, whichever is shorter. |
Mich. Admin. Code R. 460.2531