Answer:
Signatures required for a time sheet or report that is turned into payroll may vary by employer, however generally the employee's signature is required as well as the signature of their supervisor and/or other authorized representative of the employer. Generally, no one person may sign for both the employee and the employer.
Electronic time sheets may be authorized electronically. Contact your accounting department or call 888-924-1776 for further clarification regarding required signatures and any other payroll questions you may have.