He has expressed this agreement at a cabinet meeting but has not yet made an official statement in this regard.
The decision was made when the law ministry presented a draft of the anti-rape ordinance, according to reports.
However, there was no official announcement about it.
The report said the draft includes increasing women's role in policing, fast-tracking rape cases and witness protection.
He said the number of sexual assault cases in Pakistan was on the rise and called for a speedy trial.
The rape and murder of a seven-year-old girl in Lahore in January 2018 and more recently the motorway gang-rape in Lahore sparked a debate on the severity of punishment to prevent sexual assaults.
Speaking at a joint sitting of Parliament recently, Mr Khan had said that the government will soon introduce a three-tier legislation including registration of sex offenders, exemplary punishment for rape and child abuse and effective policing.