To the extent available funds permit, but only after audit analysis of the books, accounts, and records kept by county officers, and in addition to the written exhibits the State Auditor and Inspector may now require of County officers, managers and employees under section or paragraph 215 of Title 74, Oklahoma Statutes 1951, the State Auditor and Inspector shall have the same authority and under the same penalty provisions to require of any purveyor of services, goods, wares, or merchandise to the county, whether for money or property, a verification in writing under oath in full detail of dates, items, descriptions, unit rates, and amounts charged for and, if paid, how and when paid. Purveyors of goods, wares, and merchandise of any sort for which public money or property is anticipated, demanded, or received, shall, at the time and for five (5) years thereafter keep careful and complete account thereof, which accounts shall be private and privileged to the public generally but open to inspection as public records at any time to the officer who required the same or to the Governing Board who allowed payment of the same, or to the District Attorney of such county, to the State Auditor and Inspector, to the Attorney General, or to a Grand Jury.