; (VIII) substance abuse treatment; (IX) mental health services; (X) occupational skills training, including college credit programs; and (XI) work supports, such as transportation assistance, uniforms, and tools; and (iv) under which the State shall ensure that participation in any such services is voluntary and shall inform potential participants that such participation is voluntary. (B) Definition An Indian tribe or tribal organization (as defined in subsections (e) and (l) of section 4 of the Indian Self-Determination and Education Assistance Act ( 25 U.S.C. 450b )) operating a child support enforcement program funded by a grant under this part may elect, as part of such program, to provide job services to noncustodial parents, consistent with the requirements of this paragraph and section 455(f). . (b) Performance tracking Section 452(a) of such Act ( 42 U.S.C. 652(a) ) is amended— (1) in paragraph (1), by striking and at the end; (2) in paragraph (11), by striking the period at the end and inserting ; and ; and (3) by adding at the end the following: (12) (A) consult with States, Indian tribes, and tribal organizations (as defined in subsections (e) and (l) of section 4 of the Indian Self-Determination and Education Assistance Act ( 25 U.S.C. 450b )), with a plan approved under this part, to develop data elements to ensure that the child support agency of any State, Indian tribe, or tribal organization administering a voluntary job services program under section 466(a)(20) demonstrates a plan for implementing measures to track the performance of such program with respect to meeting the goals of quality job placement, long-term unsubsidized job retention, increasing child support payments, decreasing child support arrearages, and increasing the involvement of low-income noncustodial parents with their children