Tennessee’s income-shares child support rule, 1240-02-04, was last revised in October 2021, and this calculator’s schedule was extracted directly from the Department’s own Excel worksheet rather than a secondary source. The formula distinguishes a Primary Residential Parent (PRP) from an Alternate Residential Parent (ARP) using a variable parenting-time multiplier, with a shaded self-support-reserve area and statutory ceilings built in.
Key facts
| Model | Income shares — Tenn. Comp. R. & Regs. 1240-02-04 (Oct. 2021 rev.) |
|---|---|
| Schedule source | Extracted from the Department's own Excel worksheet |
| Custody roles | PRP (Primary Residential Parent) / ARP (Alternate Residential Parent) with variable parenting-time multiplier |
| Low-income treatment | Shaded self-support-reserve area |
Official source: https://www.tn.gov/humanservices/for-families/child-support-services/child-support-guidelines/child-support-calculator-and-worksheet-1.html
Custody arrangements covered
- PRP/ARP arrangement with a variable parenting-time multiplier
Frequently asked questions
What rule sets Tennessee child support?
Rules 1240-02-04, in the October 2021 revision.
What are PRP and ARP in Tennessee?
The Primary Residential Parent and Alternate Residential Parent — Tennessee’s formula applies a variable multiplier based on the ARP’s parenting time.
Where did this Tennessee schedule come from?
It was extracted directly from the Tennessee Department's own Excel worksheet, not a secondary source.
Does Tennessee protect low-income payors?
Yes — a shaded self-support-reserve area is built into the schedule, along with statutory ceilings.
Update history
- — Tennessee went live under Rules 1240-02-04 (October 2021 revision), with the schedule extracted from the Department's own worksheet, the variable parenting-time multiplier, and the shaded self-support-reserve area.