Priority ratings.
CFR · 2024-01-01 · US · Title 7
(a) (1) There are two levels of priority established by APAS, identified by the rating symbols “DO” and “DX.” (2) All DO-rated orders have equal priority with each other and take precedence over unrated orders. All DX-rated orders have equal priority with each other and take precedence over DO-rated orders and unrated orders. (For resolution of conflicts among rated orders of equal priority, see § 789.14(c).) (3) In addition, a directive regarding priority treatment for a given item issued by the resource agency with priorities jurisdiction for that item takes precedence over any DX-rated order, DO-rated order, or unrated order, as stipulated in the directive. (For more information on directives, see § 789.42.) (b) (c)
official document · source cfr-2024 · id 7:§ 789.11