In an adoption, a judge must make sure that it has the written consent of a parent who, for good cause, desires to terminate his or her parental rights. (flanderslawfirm.com)
And, even when a child has a passport, other countries can require the written consent of both parents when a child travels across their borders with only one parent. (info.legalzoom.com)
Under age, which means one or both spouses are under age 18 at time of marriage, and do not have written consent of their parents or permission of court. (divorcesource.com)