Code of Federal Regulations Title 5. Administrative Personnel § 5.332.401 Order on registers

(a) Preference eligibles shall be entered in accordance with their augmented ratings and ahead of others having the same rating;  and

(b) Preference eligibles who have a compensable service-connected disability of 10 percent or more shall be entered at the top of the register in the order of their ratings unless the register is for professional or scientific positions in GS–9 and above and in comparable pay levels under other pay-fixing authorities.