EX-23.1 4 g01496exv23w1.txt EX-23.1 CONSENT OF ERNST & YOUNG LLP EXHIBIT 23.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the reference to our firm under the caption "Experts" in the Registration Statement (Form S-3) and related Prospectus of Rock-Tenn Company for the registration of an indeterminate number of shares of preferred stock and Class A common stock and amount of debt securities as may be issued at indeterminate prices, but with an aggregate initial offering price not to exceed $500,000,000 and to the incorporation by reference therein of our reports dated December 14, 2005, with respect to the consolidated financial statements and schedule of Rock-Tenn Company, Rock-Tenn Company management's assessment of the effectiveness of internal control over financial reporting, and the effectiveness of internal control over financial reporting of Rock-Tenn Company, included in its Annual Report (Form 10-K) for the year ended September 30, 2005, filed with the Securities and Exchange Commission. /s/ Ernst & Young LLP Atlanta, Georgia May 3, 2006