If the obligor does not request a hearing in the time provided, or if a hearing is held and it is determined that the obligee has or is entitled to income withholding under the local law of the jurisdiction which issued the support order, the clerk of court shall issue a notice to withhold under Section 63-17-1450. The clerk of court shall notify the requesting agency or person of the date upon which withholding must begin.
S.C. Code § 63-17-1870