According to Art. 21 part 1 of the Family Code of the Russian Federation a citizen obtains ability to receive and use civil rights, create civil liabilities and fulfill them (civil legal capacity) upon reaching the legal age i.e. eighteen years.

In cases when the law allows conclusion of a marriage before reaching the age of eighteen, a citizen who hasn't reached the age of eighteen obtains full legal capacity at the date of marriage.

Legal capacity obtained as a result of marriage shall retain in full in case of divorce before reaching the age of eighteen.

In case a court declares a marriage invalid it can also deprive an under-age spouse of his/her full legal capacity from the date determined by the court.