Tennessee courts can modify child support up or down if a parent has a significant change in income. However, courts won't allow a noncustodial parent to decrease child support if he or she is willfully unemployed or underemployed. There are a number of factors to determine whether the other parent of your child is willfully and/or voluntarily unemployed and/or underemployed.The Guidelines do not presume that a parent is willfully underemployed. TENN. COMP. R. & REGS. … [Read more...]