[If] a minor yavam cohabited with a minor yevamah, they must wait for each other to grow up. [If] he cohabited with an adult yevamah, she must wait for him to grow up.  [If] a yevamah stated within thirty days, “He did not cohabit with me,” we coerce him to perform chalitzah with her; [if she stated this] after thirty days, we request of him that he perform chalitzah with her. However, if he admits [to it], then even after twelve months we coerce him to perform chalitzah with her.

[If] a woman vowed not to derive benefit from her yavam —- [if she vowed so] during her husband's lifetime, we coerce him to perform chalitzah with her; [if she vowed so] after her husband's death, we request of him that he perform chalitzah with her. However, if she intended this, then even [if she vowed] during her husband's lifetime, we [only] request of him that he perform chalitzah with her.