A taxpayer who is engaged in business in more than one county in this State and who owns real property or tangible personal property in connection with his multi-county business shall, upon the request of the Department of Revenue or the assessor of a county in which part of this business property is situated, file a report with the Department of Revenue stating, as of the dates specified in G.S. 105-285 of any year, the following information:
This report shall be subscribed and sworn to by the owner of the property. If the owner is a corporation, partnership, or unincorporated association, the report shall be subscribed and sworn to by a principal officer of the owner who has knowledge of the facts contained in the report.
N.C. Gen. Stat. § 105-313