Every partnership shall furnish to the department a true and accurate statement, on or before the date on which the partnership is required to file for federal income tax purposes, not including any extension, under the Internal Revenue Code, in the manner and form and setting forth the facts the department deems necessary to enforce this chapter. A partnership that is the owner of a single-owner entity that is disregarded as a separate entity under section 7701 of the Internal Revenue Code shall include that entity’s information on the owner’s return under this subchapter. The statement shall be subscribed by one of the partners of the partnership.