Material Constraint Plan

How do we define materail constraint in ASCP. I can see only two options resource constraint & supplier capacity constraint. where is the option for material constraint ???

Material constraints

Material constraints only

Check either Enforce Demand Due Dates or Enforce Capacity Constraints checkbox. You can check only one checkbox
Constrained Plan checkbox
: Checked
Resource Constraints fields
: No
Supplier Capacity Constaints fields
: Yes

Resource constraints only

Check either Enforce Demand Due Dates or Enforce Capacity Constraints checkbox.
Constrained Plan checkbox
: Checked
Resource Constraints fields
: Yes
Supplier Capacity Constaints fields
: No

Both material and resource constraints

Check either Enforce Demand Due Dates or Enforce Capacity Constraints checkbox.
Constrained Plan checkbox
: Checked
Resource Constraints fields
: Yes
Supplier Capacity Constaints fields
: Yes