Answer by  
                                                                                          tamarawilhite (17883)
                                                            
                          
                          
                                                          Legally, yes, you are obligated. It is illegal and a criminal offense to not pay income taxes on ALL income, whether reported to the IRS by you or your employer or not. If paid under the table, you should pay Social Security plus income taxes on it. You can report the employer for tax fraud and receive an award.