I am not saying that it's good or smart, I am just saying what is RECOMMENDED in the FCTM, so it means that it's not a MUST but SHOULD
For Supplementary Procedures the tasksharing should be:
• If the procedure is related to engine start, it is recommended to read the entire procedure first and
then:
‐ The PM reads the actions, and
‐ The PF acts on commands.
• Otherwise, the procedure is considered as read and do and is performed by the PM.