Consider the following statements regarding the Bharatiya Nagarik Suraksha (Second) Sanhita, 2023:

1. Mandates medical practitioners who examine rape victims to submit a report to the investigation officer within 7 days.

2. Forensic investigation is mandated for offenses punishable with 10 years of imprisonment or more.

3. The maximum period of police custody under the BNSS would be 15 days, with provision to be spread over a maximum of two months.

Which of the statements given above are correct?