Rashbam: Whereas Pasuk 7 is discussing Nedarim that she made before she married - Refer to 37:7:1:2* - implying that her husband is able to annul them. Refer to 30:12:1:1. Sifri: Whereas Pasuk 7 is discussing the Nedarim of an Arusah. Refer to 12:7:1:1.
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What are the implications of "ve'Im Beis Iyshah Nadarah"?
1.
Nedarim, 16b: It implies that a husband cannot annul Nedarim retroactively - Nedarim that his wife made before he married her.
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2.
Sifri: It implies that even a Kohen Gadol can annul the Nedarim of the Almanah that he married and a Kohen Hedyot who married a Gerushah or a Chalutzah.
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