Reference for Nedarim 140:8

מ"מ קשיא איבעית אימא הכא דוקא ובוגרת קתני התם משום דבעי איפלוגי ר"א ורבנן

whilst a na'arah, and then she became a bogereth? But consider: [her father's] death frees her from her father's authority, and the bogereth stage frees her from her father's authority; then just as at death, his authority does not pass over to her husband, so on puberty, his authority should not pass over to her husband?<span class="x" onmousemove="('comment',' Since she was under parental control when she made the vow. ');">⁸</span>

Jastrow