If a court of competent jurisdiction or the agency operating pursuant to an approved state plan under Sections 452 and 454 of the Social Security Act, as amended, in any state, territory of the United States or the District of Columbia has ordered a person to pay child or child and spousal support, upon notice and hearing as provided in this section, the Department shall order such noncustodial parent’s employer in this Commonwealth to withhold from the earnings of the noncustodial parent pursuant to a foreign support order in the same manner as provided in §§ 63.2-1923 and 63.2-1924.