D.C. Code § 46-219: No discrimination in employment for withholding.

(a)

No employer shall discharge, refuse to employ, take disciplinary action, or otherwise discriminate against any obligor for the reason that a party has subjected or attempted to subject unpaid earnings of the obligor to withholding or like proceedings for the purposes of paying support.

(b)

There shall be a rebuttable presumption that any employer who engages in conduct described in subsection (a) of this section, within 90 days from the date of receipt of a notice or order to withhold, is in violation of this subchapter and may be subject to the sanctions in subsection (c) of this section.

(c)

Any employer who engages in conduct described in subsection (a) of this section shall be subject to a civil penalty of up to $10,000.

(d)

Any civil penalty obtained under subsection (c) of this section shall be used to offset the obligor’s duty of support.