"I'm open to anything, but we're fighting for this election right now," Lara Trump said, referring to a Supreme Court filing seeking to overturn the election's results in President Donald Trump's favor.
The law requires transgender people to use restrooms in schools and government buildings that correspond to the sex on their birth certificate.
Incoming Democratic Governor Roy Cooper says the state legislature may call a special session to consider scrapping HB2, which sparked economic boycotts.
Republican Governor Pat McCrory is fighting to try to make up ground against Democrat Roy Cooper.
Donald Trump blamed Hillary Clinton's "animals" for the incident.
North Carolina law scrapped by federal appeals court targeted "African Americans with almost surgical precision."
The law limits restroom access for transgender people.
Supporters and opponents of House Bill 2 convened on the North Carolina state capitol.
"The fear is of violence, very real violence."
The bill was introduced, debated and signed within several hours on Wednesday.
The measure allows court officials to avoid gay marriage duties due to their religious beliefs.