(a) General. -- Any return, statement or other document required to be made under the provisions of this article shall be signed in accordance with instructions or regulations prescribed by the tax commissioner.
(b) Signing of corporation returns. -- The president, vice president, treasurer, assistant treasurer, chief accounting officer or any other duly authorized officer shall sign the return of a corporation. In the case of a return made for a corporation by a fiduciary, the fiduciary shall sign the return. The fact that an individual's name is signed on the return is prima facie evidence that the individual is authorized to sign the return on behalf of the corporation.
(c) Signing of partnership returns. -- Any one of the partners shall sign the return of a partnership. The fact that a partner's name is signed on the return is prima facie evidence that that partner is authorized to sign the return on behalf of the partnership.
(d) Signature presumed authentic. -- The fact that an individual's name is signed to a return, statement, or other document is prima facie evidence for all purposes that the return, statement or other document was actually signed by him or her.
(e) Verification of returns. -- Except as otherwise provided by the tax commissioner, any return, declaration or other document required to be made under this article shall contain or be verified by a written declaration that it is made under the penalties of perjury.