Section 655.403 - Persons and entities authorized to file(a)Persons authorized to file. In addition to the employer, a request for a PWD or TLC under this subpart may be filed by an attorney or agent, as defined in § 655.402 .(b)Employer's signature required. Regardless of whether the employer is represented by an attorney or agent, the employer is required to sign the CW-1 Application for Temporary Employment Certification and all documentation submitted to the Department.