The San Bernardino County Department of Child Support Services determines parentage, establishes and enforces child support orders, and secures payments. To submit a form via email, users must first download the form to their device and then click "submit" on the completed form. Accessibility.Below are some of the most common forms for requesting, enforcing and ending child support. Pay with your credit card online: Access the SDU website. Select "Parent Paying Support" and follow the prompts to pay with your Mastercard or Visa. Make sure to read all instructions and enclosed information before completing this form. Withdrawal management is provided based on medical necessity. There are no limitations or restrictions to access withdrawal management. We will be in Big Bear, CA this Thursday from 11 a.m.