1. A person who has been convicted of a third or subsequent offense of domestic abuse assault under section 708.2A, subsection 4, shall be denied parole or work release until the person has served between one-fifth of the maximum term and the maximum term of the person’s sentence as provided in subsection 2.
 2. The sentencing court shall determine, after receiving and examining all pertinent information referred to in section 901.5, the minimum term of confinement, within the parameters set forth in subsection 1, required to be served before a person may be paroled or placed on work release.