Rule 64. The following material ledger records shall be retained for the periods listed:
(a) Ledger sheets and card records of materials and supplies received, issued, and on hand. | See rule 22 (b). |
(b) Statements of materials and supplies on hand, per ledger. | Destroy at option after completion of annual audit by independent accountants. |
Mich. Admin. Code R. 460.2564