משנה אויף דברי הימים ב 5:3

[If he says, “Konam] be any benefit you have from me until Pesach, if you go to your father’s house until the festival [of Sukkot],” if she goes before Pesach she may not benefit from him until Pesach; if she goes after Pesach she is subject to, “he shall not break his word” (Numbers 30:3). [If he says, “Konam] be any benefit you have from me until the festival [of Sukkot] if you go to your father’s house before Pesach”, if she goes before Pesach, she may not benefit from him until the festival [of Sukkot], but she is permitted to go after Pesach.