49 CFR §33.42

1. (a)While special priorities assistance may be provided for any reason in support of this part, it is usually provided in situations where:
   1. (1)A person is experiencing difficulty in obtaining delivery against a rated order by the required delivery date; or
   2. (2)A person cannot locate a supplier for an item or service needed to fill a rated order.
2. (b)Other examples of special priorities assistance include:
   1. (1)Ensuring that rated orders receive preferential treatment by suppliers;
   2. (2)Resolving production or delivery conflicts between various rated orders;
   3. (3)Assisting in placing rated orders with suppliers;
   4. (4)Verifying the urgency of rated orders; and
   5. (5)Determining the validity of rated orders.