Tennessee Code Title 40. Criminal Procedure § 40-28-202

(1) If a probationer, parolee or employed releasee's sole income is from social security or welfare benefits;

(2) If the probationer, parolee or employed releasee has doctor, hospital or medical expenses exceeding twenty-five percent (25%) of total gross monthly income and is not covered by insurance, workers' compensation or any other source of reimbursement;

(3) If a probationer, parolee or employed releasee has a certificate from a doctor, whose residence is in Tennessee and is licensed to practice in this state, stating that the person is physically or mentally incapable of working;

(4) Any parolee transferred to another state under the supervision of the Interstate Compact for the Supervision of Adult Offenders, compiled as part 4 of this chapter;

(5) If a probationer, parolee or employed releasee has an excessive amount of gross monthly income obligated for court ordered expenses such as alimony, child support, etc.;

(6) Any person already paying restitution to a victim under a department program shall be exempted from the contributions to the criminal injuries compensation fund but shall not be exempt from contributions to the rehabilitation and supervision fund required by § 40-28-201; and

(7) Any person whose income falls below the poverty level according to the latest determination by the United States bureau of the census.