No member of the public utilities commission shall willfully overvalue the property of a public utility for the purpose of enabling such public utility to exact a higher rate for service than could lawfully be exacted, or willfully undervalue such property for the purpose of preventing such public utility from charging a lawful rate for such service.
Wrongful valuation
Ohio Rev. Code Ann. § 4909.14, under Chapter 4909 | Public Utilities Commission - Fixation Of Rates.
Ohio Rev. Code Ann. § 4909.14