Other changes in visitation follow the same general court procedures as changes in custody. (divorcesource.com)
An 18 - month change in custody at the end of which time primary custody would return to the other parent is not valid. (ourfamilywizard.com)
Children who move due to a court - ordered change in custody due to separation or divorce, or the serious illness or death of a custodial parent. (leg.state.fl.us)