Vendor invoices shall be the original copy or that copy which each specific vendor regularly gives to the customer. If either of the two mentioned invoices are lost or destroyed, a signed, certified photocopy of the invoice shall be accepted.
S.D. Admin. R. 3:05:05:01
General Authority: SDCL 4-9-1.1, 4-9-7.
Law Implemented: SDCL 3-9-8, 4-9-7.