40-6-303. Civil action to enforce duty to support. A civil suit may be instituted and maintained for the enforcement of the provisions of 40-6-301 by any such child, where there is more than one adult child, or by the parent to whom such support is due or by the county attorney, and in case there is more than one such child, the court or the jury upon the hearing is authorized and empowered to apportion the expenses of such support between the adult children, and the court shall enter judgment in accordance with such finding and apportionment; provided, that such civil action shall not be construed as barring the arrest and conviction of such person for misdemeanor.