64:01:01:43Maintenance and access to taxpayer records.

A taxpayer shall maintain all records necessary to make a determination of the correct tax liability. The records shall include: records and books of account for all receipts and sales, invoices, bills of lading, copies of bills of sale, and other pertinent papers and documents. If a taxpayer retains records in both machine-sensible and hard-copy formats, the taxpayer shall make the records available to the department in machine-sensible format upon request by the department.

Source: 28 SDR 178, effective July 1, 2002; 32 SDR 225, effective July 3, 2006.