Section 18-2-15 - Certificates requiredA. A permanent professional librarian's certificate is required for the chief librarian of any library: (1) supported in whole or in part by public funds, and serving a municipality or other political subdivision having a population in excess of fifteen thousand persons as shown by the last federal decennial census; or (2) of any state agency or state-supported institution. B. A grade I librarian's certificate is required for the chief librarian of any library, supported in whole or in part by public funds, serving a municipality or other political subdivision having a population of at least three thousand, but not more than ten thousand persons, as shown by the last federal decennial census. C. A grade II librarian's certificate is required for the chief librarian of any library, supported in whole or in part by public funds, serving a municipality or other political subdivision having a population of at least ten thousand and one, but not more than fifteen thousand persons, as shown by the last federal decennial census. D. The provisions of this section do not apply to libraries of public schools or county law libraries. 1953 Comp., § 4-11-10, enacted by Laws 1963, ch. 283, § 6.