A change in domicile case depends on the distance and whether the move will cross state lines out of Michigan. Cases change in nature when the distance passes the 100-mile mark from the place where your family law case began. When moving less than 100 miles, there is typically no problem. When moving over 100 miles, a parent must: Obtain approval from the other parent File a court motion providing evidence that the move will provide a benefit for both the child. The more positive changes the move will bring, the more likely your case is to succeed. If moving outside the state of Michigan, the judge will consider the situation with a more critical eye. The judge will use the test of which circumstances are in the best interests of the child.