Section 10-131 - Change of address of recipient(a) If the address of a recipient changes, the recipient, within 10 days after moving to the new address, shall send the change of address to:(1) the court: (i) by certified mail, return receipt requested; or(ii) by filing in person at the court and obtaining proof of filing;(2) the obligor, at the obligor's last known address, by first-class mail; and(3)(i) each employer who has been served with a copy of the earnings withholding order, by first-class mail; or(ii) if the support enforcement agency receives the support payments, the support enforcement agency:1. by certified mail, return receipt requested;2. if the agency's website allows parents to update address information, by entering the new address on-line;3. by filing in person at the agency and obtaining proof of filing; or4. by telephone or electronic communication to the agency and obtaining proof of change.(b) If, because of the failure of a recipient to give notice under this section, an employer or the support enforcement agency is unable for a 2-month period to deliver deductions under the earnings withholding order, the employer or agency: (1) may not make further deductions;(2) shall return each undeliverable payment to the obligor; and(3) shall notify the court.