Ban the box is a national civil-rights movement backed by advocates for job applicants with criminal convictions. Proponents of these laws believe that expanding employment opportunities for individuals with criminal convictions is a major factor in lowering recidivism rates.
Generally the laws prohibit employers from asking about an applicants criminal-background history until later in the interview process. Most of these laws prohibit employers from including the have you ever been convicted of a criminal offense question on an employment application thus banning the box and instead limit employers ability to ask the criminal-history question until after a conditional offer of employment is made or after an applicant has been selected for an interview.