Halacha 1 explains that the ma'amar is a Rabbinic ordinance requiring the yavam to consecrate the yevamah with a p'rutah before entering into marital relations.
Question 2
If a yavam has marital relations with his yevamah while he is asleep and has no intent whatsoever, does he acquire her?
Halacha 4 states that when the yavam was asleep and had no intent to engage in a sexual act, he does not acquire the yevamah.
Question 3
If the eldest brother is in another country when the obligation for yibbum arises, what happens?
Halacha 9 rules that when the eldest brother is in another country, the brother who is present is told: 'Perform either yibbum or chalitzah.'
Question 4
What is the legal consequence if a yevamah marries another man and has relations with him before yibbum or chalitzah?
Halacha 18 states that both are punished with lashes, he must divorce her, and she becomes forbidden to him and to her yavam.
Question 5
If a yevamah takes a vow during her first husband's lifetime that she will not benefit from her yavam, what is the law?
Halacha 15 rules that the yavam is compelled to perform chalitzah and the yevamah is entitled to collect her ketubah.