To note as well if the person has been on an Intergrated course the P1 hours will never truely been P1 hours.
Every single flight will have been signed off by an instructor. The pilot will never have left a controlled enviroment. WX will always have been double checked. The will have had there hand held by a ops deptment making sure that they have self briefed correctly, the instructor will then have checked that they haven't missed anything.
For instructor ratings the PIC requirement should be post license issue be it PPL or CPL.