When the Department of Revenue in the course of directly administering any of the tax laws enumerated in Section 27-3-63 shall elect to audit, examine or inspect the books, records, papers, invoices, memoranda or other data of a taxpayer at his principal place of business outside this state, it shall designate, in writing, the agent or agents, employee or employees, to make the audit, examination or inspection at the principal place of business of the taxpayer, and shall state the kind of tax for which the audit, examination or inspection is thereby made, but for an inspection in regard to those taxes administered by the Department of Revenue there shall be no charge of any kind made against the taxpayer for the expenses of such inspection.