How does the company pay the Annual Support Fee? Answer in detail:ANSWER TO HOW DOES THE COMPANY PAY THE ANNUAL SUPPORT FEE? Follow the instructions on the Order to Withhold Income For Indiana Annual Support Fee. If you wish to pay the ASF online at the Indiana Child Support Payment website you must submit, either by fax, mail or email, the Website Setup Form. For further information you may either call 1-800-292-0403 or email [email protected].