Section 602.4 - Exceptions(a) Single-case exceptions from this part may be authorized in writing by the Director, Office of Environment, Health, Safety and Security, the Head of the Contracting Activity, or their designees, upon the written request of DOE staff, an applicant for award, or a recipient. A request from an applicant or a recipient must be submitted to or through the cognizant contracting officer.(b) Whenever a proposed deviation from this part would be a deviation from 2 CFR part 200 as amended by 2 CFR part 910, the deviation must also be authorized in accordance with the procedures prescribed in that part.60 FR 5841, Jan. 31, 1995, as amended at 71 FR 68729 , Nov. 28, 2006; 79 FR 76046 , Dec. 19, 2014; 80 FR 5007 , Jan. 30, 2015; 88 FR 41292 , June 26, 2023