"If she marries after she makes a vow or after her lips utter a rash promise by which she obligates herself" (NIV)
And if she is married to a husband while her vows are upon her or she has bound herself by a rash utterance (AMP)
And if she had at all an husband, when she vowed, or uttered ought out of her lips, wherewith she bound her soul; (KJV)