By Heba Kanso
Campaigners broadly welcomed the new law, which criminalises "harassment, aggression, sexual exploitation or ill treatment of women" in Morocco.
But they criticised loopholes that would allow girls under 18 to marry and said a failure to define forced marriage would make it difficult to enforce a ban.
"For some women, choice doesn't exist. When you have family pressure, social stigma on single women, poor economics ... all of these things - so what does forced look like?" Bordat told the Thomson Reuters foundation by phone from the capital, Rabat.
Nearly two-thirds of women in Morocco have experienced physical, psychological, sexual or economic abuse, according to a national survey.
"More must be done to ensure girls are protected from the harmful consequences of child marriage," said Matilda Branson, Senior Policy and Advocacy Officer at Girls Not Brides.
"The law also places the onus on girls to report their own marriages, who may face reprisals from their husband and family as a result," she said in an emailed statement.
Suad Abu-Dayyeh, a Middle East expert with the global advocacy group Equality Now, welcomed the law as a "positive step" to protect women, but said implementation was key.
"We want to see the implementation of this law - forced and child marriages are very much happening in Morocco."