The calculator is intended to be used to estimate the amount of child support the court may order on a case. Unlike a child support order in Minnesota—which is based on a specific calculation—there is no formula for judges to use to setting alimony.Please go to the Child Support Help Topics page to learn more about what forms you may need and find other resources related to this topic. This booklet provides basic information about how child support is set, collected and changed ("modified"). Minnesota family law allows a court to order the other spouse to make payments for their support. This is separate from child support. Modifying Minnesota child support and spousal maintenance. Minnesota courts can adjust child support or spousal maintenance if certain conditions change. The case automatically goes to the child support office. If the custodial parent does not receive public assistance.