(a) When establishing, modifying, or enforcing a child support obligation, a court or Title IV-D agency may render an order requiring an unemployed or underemployed obligor to:
(1) enroll and participate fully in a program available in the obligor's community that provides employment assistance, skills training, or job placement services; or
(2) work, have a plan to pay child support, or participate in work activities appropriate to pay the support obligation.
(b) An order rendered under this section is enforceable as provided by Chapter 157.