Under T.C.A. Section 36-5-103 (1) (A), upon the request of either parent, or if there is an assignment of benefits under Title 71, Chapter 3, Part 1, upon request of the Department of Human Services or either parent, any order subject to enforcement pursuant to Title IV-D of the Social Security Act by any court under this Title or Title 37 shall be reviewed at least every 3 years, and, if necessary, adjusted in accordance with the guidelines established pursuant to Section 36-5-1-1(e) if the amount of the child support order in the existing order differs from the amount that would be awarded in accordance with the guidelines.
Reviews are conducted upon request of TN Department of Human Services for IV-D cases or either parent in Non-TANF cases.
T.C.A. Section 36-5-103 provides that the existing order of child support will be reviewed every 3 years and, if necessary, adjusted in accordance with the child support guidelines. If there are substantial changes in the parties' situations between the mandated 3-year review period, the order can be adjusted in accordance with the child support guidelines.
At least 15% change in gross income of an obligor; and/or a change in the number of children for whom the obligor is responsible.