“Supplier” includes any person who is any of the following:
- (a) Blender, as defined in Section 7308.
- (b) Enterer, as defined in Section 7311.
- (c) Position holder, as defined in Section 7332.
- (d) Refiner, as defined in Section 7334.
- (e) Terminal operator, as defined in Section 7340.
- (f) Throughputter, as defined in Section 7341.