64:26:02:08.  Exclusion of factors. In computing a taxpayer's apportionment ratio, the secretary shall exclude any one or more of the payroll, property, or receipts factors when the factor or factors amount to less than 30 percent of the final average ratio. When any factors are excluded, the denominator of the apportionment ratio is reduced by the number of factors excluded.

          Source: 4 SDR 35, effective December 22, 1977; 13 SDR 129, 13 SDR 134, effective July 1, 1987.

          General Authority:SDCL 10-43-42.1.

          Law Implemented:SDCL 10-43-29.1.