Need to provide proof of employment status? Use this sample employment verification letter to create your own.The signature below indicates the employee's consent to the release of employment information to the Riverside. Why didn't I receive a confirmation email when I submitted my application? • County of Riverside Employer Code: 12421. Below you will find links to useful forms and documents for easy and convenient access. To have your legal name displayed on your verification, please use the option below. Fill out our Event Request Form to get started.