Who must sign Form 941 ?

If you are a Sole Proprietor, then the individual owning the business must sign. If you are a Corporation, then the president, vice president or other principal officer must sign. If you are a Partnership or unincorporated organization, then a responsible and dully authorized member or officer having knowledge of its affairs must sign. If you are a Trust, then the fiduciary must sign. Note that Form 941 may also be signed by a duly authorized agent of the taxpayer if a valid power of attorney has been filed.