80.20.050  <<  80.20.060 >>   End of Chapter

Limitation on frequency of investigation.

Expenses of a complete valuation, rate and service investigation shall not be assessed against a public service company under this chapter if such company shall have been subjected to and paid the expenses of a complete valuation, rate and service investigation during the preceding five years, unless the properties or operations of the company have materially changed or there has been a substantial change in its value for rate making purposes or in any other circumstances and conditions affecting rates and services: PROVIDED, That the provisions of this section shall not be a limitation on the frequency of assessment of costs of investigation where such investigation results from a tariff filing or tariff filings by a public service company to increase rates.
[ 1971 ex.s. c 143 § 8; 1961 c 14 § 80.20.060. Prior: 1939 c 203 § 2(e); RRS § 10458-6a(e).]
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