I would like to default the Planning Flexibility flag to "None" for Purchases and "Unlimited" for Production. Is this possible without customisation?

I would like to default the Planning Flexibility flag to "None" for Purchases and "Unlimited" for Production. Is this possible without customisation?
Hello,
I would expect that this does require customization. More information here:
docs.microsoft.com/.../production-about-planning-functionality
Default is unlimited.
Thanks.